**Part D**. Compute 4.659 × 10^{4} − 2.14 × 10^{4}. Round the answer appropriately.**Express your answer numerically using the proper number of significant figures.**

**Multiplication and division**

When multiplying or dividing, the final answer is rounded to the same number of significant figures as the measured number with the fewest significant figures.

**Addition and subtraction**

When adding or subtracting, the final answer is rounded to the same number of digits to the right of the decimal point as the measured number with the fewest digits to the right of the decimal point. This item does not cover measured values without a decimal point, which may involve interpreting values with an ambiguous number of significant figures.

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What scientific concept do you need to know in order to solve this problem?

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