Metric Conversions for TEAS 7

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ATI TEAS 7

ATI TEAS 7 Test Bank

Metric Conversions for TEAS 7 Questions

Question 1 of 5

What is 0.875 converted to a fraction?

Correct Answer: A

Rationale: To convert 0.875 to a fraction, note that it is equivalent to 875/1000. Simplifying by dividing both numerator and denominator by 125 gives 7/8. This is the correct answer because it is the simplest form of the fraction. Choice B (8/7) is incorrect as it represents a fraction greater than 1. Choice C (3/4) is incorrect as it is not equivalent to 0.875. Choice D (9/10) is incorrect as it does not match the decimal value of 0.875.

Question 2 of 5

What is 0.25 mg to mcg?

Correct Answer: A

Rationale: To convert mg to mcg, we need to multiply by 1000 since 1 mg = 1000 mcg. So, 0.25 mg x 1000 = 250 mcg. Therefore, the correct answer is A: 250 mcg. Choice B, C, and D are incorrect because they do not correctly convert milligrams to micrograms.

Question 3 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 4 of 5

What is the base unit for liquid volume in the metric system?

Correct Answer: B

Rationale: The correct answer is B: Liters. Liters are the base unit for liquid volume in the metric system because they are used to measure larger volumes, making them more practical for everyday use. Milliliters are a smaller unit derived from liters, making them not the base unit. Gallons are not part of the metric system; they are commonly used in the imperial system. Choosing Liters again reinforces that it is the correct base unit for liquid volume in the metric system.

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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