ATI TEAS 7
Metric Conversions for TEAS 7
1. How many micrograms are in 1 milligram?
- A. 1 µg
- B. 10 µg
- C. 100 µg
- D. 1,000 µg
Correct answer: D
Rationale: The correct answer is D: 1,000 µg. To convert milligrams to micrograms, you need to multiply by 1,000 because there are 1,000 micrograms in 1 milligram. Choices A, B, and C are incorrect because they do not correctly convert milligrams to micrograms. 1 milligram is equal to 1,000 micrograms, making choice D the right answer.
2. Convert 1.25 kilograms to grams.
- A. 12.5 grams
- B. 125 grams
- C. 1,250 grams
- D. 1250 mg
Correct answer: C
Rationale: To convert kilograms to grams, you need to multiply by 1000 since there are 1000 grams in a kilogram. Therefore, 1.25 kilograms is equal to 1.25 x 1000 = 1,250 grams. Choices A, B, and D are incorrect because they do not correctly convert kilograms to grams.
3. How many quarts are in 1 gallon?
- A. 2 quarts
- B. 4 quarts
- C. 3 quarts
- D. 1 quart
Correct answer: B
Rationale: The correct answer is B: 4 quarts. There are 4 quarts in 1 gallon. This conversion is based on the fact that 1 gallon is equivalent to 4 quarts. Choice A is incorrect as 2 quarts are half of a gallon, not a whole gallon. Choice C is incorrect as 3 quarts is less than a gallon. Choice D is incorrect as it represents only one quart, whereas the question asks for the quantity in a gallon.
4. What is 0.07 as a simplified fraction?
- A. 7/100
- B. 7/50
- C. 7/25
- D. 7/10
Correct answer: A
Rationale: The decimal 0.07 can be expressed as the fraction 7/100, where 7 is the numerator and 100 is the denominator. To simplify the fraction, you divide both the numerator and denominator by their greatest common divisor, which in this case is 1. Therefore, 7/100 is already in its simplest form and cannot be further simplified. Choices B, C, and D are incorrect fractions as they do not represent the decimal 0.07.
5. How many milligrams are in 2 grams?
- A. 200 mg
- B. 2,000 mg
- C. 20 mg
- D. 20,000 mg
Correct answer: B
Rationale: To convert grams to milligrams, you need to multiply by 1,000 since there are 1,000 milligrams in a gram. Therefore, 2 grams is equal to 2,000 milligrams. Choice A (200 mg) is incorrect as it represents 0.2 grams. Choice C (20 mg) is incorrect as it represents 0.02 grams. Choice D (20,000 mg) is incorrect as it represents 20 grams.
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