Fractions, Decimals, & Percents GRE Strategy Guide by Manhattan Prep

Author:Manhattan Prep
Language: eng
Format: epub
Publisher: MG Prep, Inc.

4. 5,200: Use the order of operations, PEMDAS (Parentheses, Exponents, Multiplication & Division, Addition & Subtraction), to simplify. Remember that the numerator acts as a parentheses in a fraction:

4.5 × 2 = 9

5. 0.0375: First, rewrite the numbers in standard notation by shifting the decimal point. Then, add zeroes, line up the decimal points, and subtract:

6. 46: To divide by a positive power of 10, shift the decimal point to the left. This yields 45.63021. To round to the nearest whole number, look at the tenths place. The digit in the tenths place, 6, is more than 5. Therefore, the number is closest to 46.

7. 0.016: Use the order of operations, PEMDAS (Parentheses, Exponents, Multiplication & Division, Addition & Subtraction), to simplify. Shift the decimals in the numerator and denominator so that you are dividing by an integer:

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