Metric Conversions for TEAS 7

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.

Correct Answer: B

Rationale: The correct answer is B: balance scale. A balance scale is used to measure the mass of an object by comparing it to a set of known masses. It works on the principle of equilibrium, where the object's mass is balanced by adding or removing known masses until the scale is level. Choice A, thermometer, measures temperature, not mass. Choice C, scale, is a general term and could refer to different types of scales, but a balance scale specifically measures mass. Choice D, caliper, is used to measure dimensions such as length or diameter, not mass. Therefore, the balance scale is the correct choice for measuring mass accurately.

Correct Answer: B

Rationale: The correct answer is B: 2 cups in one pint. A pint is equivalent to 2 cups in the US customary system of measurement. This conversion is based on the fact that 1 pint is equal to 16 fluid ounces, and 1 cup is equal to 8 fluid ounces. Therefore, 16 fluid ounces (1 pint) divided by 8 fluid ounces (1 cup) equals 2 cups. The other choices are incorrect because they do not accurately represent the conversion between pints and cups. Choice A (1 cup) is incorrect as it does not match the conversion factor. Choices C (3 cups) and D (4 cups) are incorrect as they provide values that do not align with the correct measurement relationship between pints and cups.

Correct Answer: B

Rationale: To convert liters to milliliters, you multiply by 1000 since there are 1000 milliliters in 1 liter. So, 0.6 liters x 1000 ml = 600 ml. Choice B (600 ml) is correct. Choice A (60 ml) is incorrect as it is 10 times less. Choice C (6 ml) is incorrect as it is 100 times less. Choice D (6000 ml) is incorrect as it is 10 times more.

Correct Answer: B

Rationale: To convert milliliters to liters, we must divide by 1000 since there are 1000 milliliters in 1 liter. Therefore, 250 milliliters divided by 1000 equals 0.25 liters (choice B). Choice A is incorrect as it is 10 times the correct answer. Choice C is incorrect as it is 5 times the correct answer. Choice D is incorrect as it is 1/10th of the correct answer. Thus, the correct conversion is 0.25 liters.