ATI TEAS 7
Metric Conversions for TEAS 7 Questions
Question 1 of 5
What is the metric equivalent of 1 inch?
Correct Answer: B
Rationale: The correct answer is B: 2.54 cm. To convert inches to centimeters, we use the conversion factor 1 inch = 2.54 cm. This conversion factor is based on the definition of an inch and a centimeter. Therefore, 1 inch is equivalent to 2.54 centimeters. Choice A (1.54 cm) is incorrect as it is not the correct conversion factor for inches to centimeters. Choice C (3.54 cm) and Choice D (4.54 cm) are also incorrect as they do not correspond to the accurate conversion of inches to centimeters.
Question 2 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 3 of 5
How many centimeters are in 1 meter?
Correct Answer: B
Rationale: The correct answer is B: 100 cm. There are 100 centimeters in 1 meter because the metric system is based on units of 10. 1 meter is equivalent to 100 centimeters as each meter is divided into 100 equal parts, which are centimeters. Choice A (10 cm) is incorrect as it represents the number of millimeters in a centimeter. Choice C (1,000 cm) is incorrect as it represents the number of millimeters in a meter. Choice D (10,000 cm) is incorrect as it is ten times the actual number of centimeters in a meter.
Question 4 of 5
What is 0.75 as a fraction?
Correct Answer: A
Rationale: To convert 0.75 to a fraction, we write it as 75/100 and simplify to 3/4 by dividing both numerator and denominator by the greatest common divisor, which is 25. Choice A (3/4) is correct as it represents 0.75 in simplest form. Choices B, C, and D are incorrect because they do not equal 0.75 when converted to a fraction. Choice B (7/10) simplifies to 0.7, choice C (15/20) simplifies to 0.75 but is not in simplest form, and choice D (1/2) simplifies to 0.5.
Question 5 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.
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