ATI TEAS 7
Metric Conversions for TEAS 7 Questions
Question 1 of 5
How many grams are in 1 kilogram?
Correct Answer: C
Rationale: The correct answer is C: 1,000 grams. There are 1,000 grams in 1 kilogram because the prefix "kilo-" in the metric system signifies 1,000. Therefore, 1 kilogram equals 1,000 grams. Choice A (10 grams) is incorrect because it is not equivalent to a kilogram. Choice B (100 grams) is incorrect as well, as it is also not the correct conversion. Choice D (10,000 grams) is incorrect because it is ten times the amount in a kilogram.
Question 2 of 5
What is the equivalent of 1 nanometer (nm) in meters (m)?
Correct Answer: A
Rationale: To convert nanometers to meters, we need to remember that nano- is a prefix meaning 10^-9. Therefore, 1 nanometer is equal to 10^-9 meters. So, the correct answer is A: 10^-9 meters. Explanation for why other choices are incorrect: - B: 10^-6 meters is the equivalent of a micrometer, not a nanometer. - C: 10^-12 meters is the equivalent of a picometer, which is smaller than a nanometer. - D: 10^-15 meters is the equivalent of a femtometer, which is much smaller than a nanometer.
Question 3 of 5
Convert 0.04 grams to milligrams.
Correct Answer: A
Rationale: To convert grams to milligrams, you need to multiply by 1000 since there are 1000 milligrams in 1 gram. So, 0.04 grams x 1000 = 40 mg. Therefore, the correct answer is A. Choice B is incorrect because it's 10 times smaller than the correct answer. Choice C is incorrect because it's 100 times larger than the correct answer. Choice D is incorrect because it's 100 times smaller than the correct answer.
Question 4 of 5
What is 0.075 mg converted to micrograms?
Correct Answer: D
Rationale: To convert 0.075 mg to micrograms, you need to multiply by 1000 since there are 1000 micrograms in a milligram. So, 0.075 mg * 1000 = 75 mcg. Therefore, the correct answer is D: 750 mcg. Choices A, B, and C are incorrect as they do not correctly convert milligrams to micrograms.
Question 5 of 5
Convert 345 kilometers to meters (m).
Correct Answer: B
Rationale: To convert kilometers to meters, you multiply by 1000 since 1 kilometer is equal to 1000 meters. Therefore, 345 kilometers x 1000 = 345,000 meters. Choice A is incorrect as it doesn't account for the conversion factor. Choice C is incorrect as it adds an extra zero. Choice D is incorrect as it adds two extra zeros. Choice B is the correct answer as it correctly converts 345 kilometers to meters by multiplying by 1000.
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