1.
5mL = _________L
Explanation
The given question asks for the equivalent value of 5mL in liters. The correct answer is 0.005L, which is the same as 0.005 liters. This is because there are 1000 milliliters in one liter, so to convert milliliters to liters, we divide the value by 1000. In this case, dividing 5mL by 1000 gives us 0.005L.
2.
2000mL = ____________L
Explanation
The given question asks to convert 2000mL to liters. The correct answer options are 2, 2L, and 2.0. All three options represent the same conversion, which is 2000mL is equal to 2 liters.
3.
6700uL = _________mL
Explanation
The given question asks for the conversion of 6700uL to mL. The prefix "u" stands for micro, which means one millionth. Therefore, 6700uL is equal to 6.7 mL. The answer options provided, 6.7 and 6.70, represent the correct conversion. The options 6.7L and 6.70L are incorrect as they represent liters, not milliliters.
4.
500kL = ____________hL
Explanation
The given question is asking for the conversion of 500kL to hL. The prefix "k" represents kilo, which means 1000. Therefore, 500kL is equal to 5000hL since 500 multiplied by 1000 is equal to 5000.
5.
2000mL= ________________uL
Explanation
The correct answer is 2,000,000. The question asks for the equivalent of 2000 mL in microliters. Since there are 1000 microliters in 1 milliliter, we can multiply 2000 mL by 1000 to get the answer of 2,000,000 microliters.
6.
500km = ____________hm
Explanation
The given question asks for the conversion of 500 kilometers to hectometers. Since there are 10 hectometers in a kilometer, we can multiply 500 by 10 to get the equivalent in hectometers, which is 5000. Therefore, the correct answer is 5000.
7.
25600mL= ________________L
Explanation
The given question asks to convert 25600 mL into liters. The correct answer options are 25.6, 25.60, 25.6L, and 25.60L. All of these options represent the correct conversion of 25600 mL into liters.
8.
600uL = ______________mL
Explanation
The correct answer is 0.6 mL or 0.60 mL. This is because 600uL is equal to 0.6 mL or 0.60 mL.
9.
900uL = ______________mL
Explanation
The correct answer is 0.9, 0.90, 0.9mL, 0.90mL. This is because 1 mL is equal to 1000 uL, so to convert 900 uL to mL, we divide by 1000. This gives us 0.9 mL or 0.90 mL.
10.
8000uL = ______________mL
Explanation
The question asks for the conversion of 8000uL to mL. Since 1 mL is equal to 1000 uL, we can divide 8000uL by 1000 to get the equivalent in mL. This gives us 8 mL. Therefore, the correct answers are 8 and 8mL. The options 8.0 and 8.0mL are incorrect because they imply a decimal point, which is not necessary in this case.
11.
10mL = ___________L
Explanation
The question asks for the equivalent value of 10mL in liters. The answer "0.01L" is correct because 1 liter is equal to 1000 mL. To convert mL to L, we divide the given value (10mL) by 1000. Therefore, 10mL is equal to 0.01L.
12.
20kL = 200___
Explanation
The given equation states that 20kL is equal to 200 hL, hectoliters, or hecto Liters. The prefix "k" represents kilo, which means 1000. Therefore, 20kL is equivalent to 20,000 liters. The prefix "h" represents hecto, which means 100. Therefore, 200 hL is equivalent to 20,000 liters as well. Hence, all three options provided in the answer (hL, hectoliter, hecto Liter) are correct and represent the same quantity of 20,000 liters.
13.
________kL = 3400L
Explanation
The given equation states that 1 kiloliter (kL) is equal to 3400 liters (L). Therefore, when converting from kL to L, we can multiply the value by 3400. The options provided are 3.4, 3.40, and 3.4kL. All of these options represent the conversion of 1 kL to liters, with 3.4 and 3.40 being the numerical values and 3.4kL representing the unit itself.
14.
1uL = ________mL
Explanation
The correct answer is 0.001. This is because 1uL is equal to 0.001mL. The prefix "u" stands for micro, which is a metric prefix representing one millionth of a unit. Therefore, 1uL is equal to 0.001mL, as 0.001mL is one thousandth of a milliliter.
15.
67DecaLiter = ____________deciliter
Explanation
To convert decaliters (daL) to deciliters (dL), you need to multiply by 10, since there are 10 deciliters in a decaliter.
So, to convert 67 decaliters to deciliters:
67 daL × 10 = 670 dL
Therefore, 67 decaliters is equal to 670 deciliters.
16.
0.01hL = ___________cL
Explanation
To convert 0.01 hectoliters (hL) to centiliters (cL), you need to know that:
1 hectoliter = 10,000 centiliters.
So, to find how many centiliters are in 0.01 hL, multiply 0.01 by 10,000:
0.01 × 10,000 = 100.
Therefore, 0.01 hL equals 100 cL.
17.
617kL = 61.7hL
Correct Answer
B. False
Explanation
The given statement is false because 617kL is not equal to 61.7hL. The prefix "k" represents kilo, which means 1000, so 617kL is equal to 617,000 liters. On the other hand, the prefix "h" represents hecto, which means 100, so 61.7hL is equal to 6,170 liters. Therefore, the two quantities are not equal, making the statement false.
18.
0.34kL = 34Decaliter
Correct Answer
A. True
Explanation
The conversion from kiloliters to decaliters is correct. 0.34 kiloliters is equal to 34 decaliters. Therefore, the statement "0.34kL = 34Decaliter" is true.
19.
1,500cg = _____________150kg
Correct Answer
B. False
Explanation
The given statement "1,500cg = 150kg" is false. This is because 1,500cg is equal to 15kg, not 150kg. The correct conversion is that 1,000cg is equal to 10kg, so 1,500cg would be 15kg. Therefore, the correct answer is False.
20.
2.6km = 0.26hm
Correct Answer
B. False
Explanation
The given statement is false. 2.6km is equal to 0.026hm, not 0.26hm. This is because there are 10 hectometers (hm) in a kilometer (km), so to convert km to hm, we divide by 10. Therefore, 2.6km is equal to 2.6/10 = 0.26hm.
21.
11,000mL = 11uL
Correct Answer
B. False
Explanation
The given statement is false. 11,000 mL is not equal to 11 uL. There is a significant difference in the volume represented by these two units. mL stands for milliliters, which is a larger unit used to measure liquid volume, while uL stands for microliters, which is a smaller unit. Therefore, the statement is incorrect.
22.
15cm = 1.5mm
Correct Answer
B. False
Explanation
The statement "15cm = 1.5mm" is incorrect because 15cm is equal to 150mm, not 1.5mm. Therefore, the correct answer is False.
23.
18kg = ______________ug
Correct Answer
18000000000, 18,000,000,000
Explanation
The correct answer is 18,000,000,000ug. This is because "ug" stands for micrograms, which is a metric unit of mass equal to one millionth of a gram. Therefore, to convert from kilograms to micrograms, we multiply the given value by 1,000,000,000 (since there are 1,000,000 micrograms in a gram). So, 18kg is equal to 18,000,000,000ug.
24.
18kg = ______________mg
Correct Answer
18000000, 18,000,000
Explanation
The given correct answer is 18,000,000. This is because to convert kilograms to milligrams, we multiply the value in kilograms by 1,000,000. Therefore, 18kg is equal to 18,000,000mg.
25.
18kg = ______________cg
Correct Answer
180000000, 180,000,000
Explanation
To convert kilograms (kg) to centigrams (cg), you need to multiply by 10^7, as there are 10^7 centigrams in a kilogram.
So, to convert 18 kg to centigrams:
[18kg * 10^7 = 180,000,000 cg]
Therefore, 18 kg is equal to 180,000,000 cg.
26.
0.27ml = ___________uL
Correct Answer
270
Explanation
The given question asks for the conversion of 0.27 ml to microliters (uL). The answer, 270 uL, is correct because there are 1000 microliters in 1 milliliter. Therefore, to convert ml to uL, we multiply the given value by 1000. In this case, 0.27 ml multiplied by 1000 equals 270 uL.
27.
385mL = ____________L
Correct Answer
0.385
Explanation
The given question asks to convert 385 mL to liters. The correct answer is 0.385L. To convert mL to L, we divide the given value by 1000 since there are 1000 mL in 1 L. Therefore, 385 mL divided by 1000 equals 0.385L.
28.
0.5ml = ___________uL
Correct Answer
500
Explanation
The given question asks for the conversion of 0.5ml to uL. The answer states that the conversion is equal to 500 and 500uL. This is because 1ml is equal to 1000uL, so 0.5ml would be half of that, which is 500uL. Therefore, the correct answer is 500 and 500uL.
29.
0.05ml = __________uL
Correct Answer
50
Explanation
The given question asks for the equivalent value of 0.05ml in microliters (uL). The correct answer is 50uL. This is because there are 1000 microliters in 1 milliliter. So, to convert 0.05ml to microliters, we multiply it by 1000, which gives us 50uL.
30.
40uL = ___________mL
Correct Answer
0.04
Explanation
The given question asks for the conversion of 40uL to mL. The correct answer is 0.04 mL. This conversion is achieved by moving the decimal point three places to the left, as there are 1000 uL in 1 mL. Therefore, 40uL is equal to 0.04 mL.
31.
6250mL= _____________L
Correct Answer
6.25, 6.250
Explanation
The correct answer is 6.25L. To convert milliliters (mL) to liters (L), we divide the given value by 1000 since there are 1000 milliliters in a liter. In this case, 6250mL divided by 1000 equals 6.25L. The other options, 6.25 and 6.250, are also correct representations of the converted value in liters.
32.
6250mL= __________________uL
Correct Answer
6250000, 6,250,000
Explanation
The given question asks for the conversion of 6250 mL to microliters (uL). The correct answer is 6250000uL. This is because to convert from milliliters to microliters, we multiply by 1000. Therefore, 6250 mL multiplied by 1000 equals 6250000uL.
33.
6250mL = ____________________dL
Correct Answer
62.50, 62.5
Explanation
The correct answer is 62.50dL. To convert mL to dL, we divide by 1000 since there are 1000 mL in 1 dL. Therefore, 6250 mL is equal to 62.50dL. The other options, 62.50, 62.5, and 62.5dL, are incorrect as they do not represent the correct conversion.
34.
285g = __________kg
Correct Answer
0.285
Explanation
The correct answer is 0.285kg. This is because 285g is equal to 0.285kg. To convert grams to kilograms, you divide the weight in grams by 1000. In this case, 285 divided by 1000 equals 0.285. Therefore, 285g is equivalent to 0.285kg.
35.
285g = ______________mg
Correct Answer
285000, 285,000
Explanation
The question asks for the equivalent of 285g in milligrams. The correct answer options, 285000mg and 285,000mg, both represent the conversion of grams to milligrams. To convert grams to milligrams, we multiply the number of grams by 1000. Therefore, 285g is equal to 285,000mg. The other answer options, 285000 and 285,000, are incorrect as they do not specify the unit of measurement (mg) and are therefore ambiguous.
36.
285g = __________________ug
Correct Answer
285000000, 285,000,000
Explanation
The correct answer is 285,000,000ug. This is because the prefix "micro" represents a factor of 10^-6, so 1ug is equal to 0.000001g. Therefore, to convert from grams to micrograms, we multiply by 1,000,000. In this case, 285g multiplied by 1,000,000 equals 285,000,000ug.
37.
Scientists discovered an alien with a giant red blood cell size of 6000um. What is the size of the giant RBC in cm?
Correct Answer
0.6, 0.60cm, 0.60, 0.6000, 0.6cm
Explanation
The size of the giant RBC in cm is 0.6cm or 0.60cm. This is because the given size of the giant RBC is 6000um, which is equivalent to 0.6mm. Since there are 10mm in 1cm, the size of the giant RBC in cm is 0.6cm or 0.60cm.
38.
If a liquid has a density of 0.85 grams per cubic centimeter, its mass in kilograms if it occupies a volume of 2.5 liters is_______kg.
Correct Answer
2.125
Explanation
Use the formula: Mass = Density × Volume. Convert liters to cubic centimeters (1 liter = 1000 cubic centimeters) before substituting values into the formula. The mass of the liquid is 2,125 grams or 2.125 kilograms.
39.
A rectangular box has dimensions of 15 cm by 20 cm by 25 cm. The volume of the box in liters is _________.
Correct Answer
7.5, 7.5 L
Explanation
Use the formula: Volume = Length × Width × Height. Convert cubic centimeters to liters (1 liter = 1000 cubic centimeters) after calculating the volume. The volume of the box is 7.5 liters.
40.
The speed of light, approximately 299,792,458 meters per second, in kilometers per second using appropriate metric prefixes is ______ km/s.
Correct Answer
299,792
Explanation
Convert meters to kilometers by dividing by 1000 since "kilo-" represents 1000. The speed of light is approximately 299,792 kilometers per second.