HESI A2
HESI A2 Math Practice Questions
Question 1 of 5
How many milliliters are in 4 liters?
Correct Answer: C
Rationale: To convert liters to milliliters, you need to multiply by 1000 since there are 1000 milliliters in 1 liter. So, 4 liters x 1000 = 4000 milliliters. Therefore, the correct answer is C. Choice A and B are incorrect as they are too small. Choice D is incorrect as it represents the original amount in liters, not the converted amount in milliliters.
Question 2 of 5
Subtract 6 1/2 - 2 2/3.
Correct Answer: A
Rationale: To subtract mixed numbers, convert them to improper fractions: 6 1/2 = 13/2 and 2 2/3 = 8/3. Next, find a common denominator, which is 6. Subtract the fractions: 13/2 - 8/3 = 39/6 - 16/6 = 23/6. Convert the result back to a mixed number: 23/6 = 3 5/6, which is the correct answer (C). The other choices are incorrect because they do not match the result of the subtraction calculation.
Question 3 of 5
How many pounds are in 192 ounces?
Correct Answer: C
Rationale: To convert ounces to pounds, we know that 16 ounces equal 1 pound. Therefore, to find how many pounds are in 192 ounces, we divide 192 by 16, which equals 12 pounds (Option C). Option A is incorrect as it incorrectly converts 192 ounces to 16 pounds. Option B is incorrect as it miscalculates the conversion. Option D is incorrect as it duplicates Option A.
Question 4 of 5
Multiply: 3/4 1/3.
Correct Answer: A
Rationale: To multiply fractions, multiply the numerators (top numbers) and denominators (bottom numbers) separately. So, 3/4 * 1/3 = (3*1) / (4*3) = 3/12 = 1/4. Therefore, the correct answer is A. Choice B is incorrect because multiplying the numerators and denominators would give 3/12, not 1/3. Choice C is incorrect as the result of multiplying 3/4 and 1/3 is 1/4, not 3/5. Choice D is incorrect as 3/4 * 1/3 is 1/4, not 3/8.
Question 5 of 5
Change 0.015 to a fraction.
Correct Answer: A
Rationale: To change 0.015 to a fraction, we first identify that the number is in the thousandths place. Therefore, we write it as 15/1000. Then, we simplify by dividing both numerator and denominator by 5 to get the simplest form, which is 3/200. Choice A (3/200) is correct because it is the simplified fraction equivalent to 0.015. Choices B, C, and D are incorrect as they do not represent the correct conversion of the decimal 0.015 to a fraction.
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