To estimate the expression \( 523.7 - 267.9 \) by rounding to the nearest hundred:
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Round 523.7 to the nearest hundred:
- 523.7 rounds to 500.
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Round 267.9 to the nearest hundred:
- 267.9 rounds to 300.
Now rewrite the problem using the estimates:
\( 500 - 300 \)
Now, calculate the estimated answer:
\( 500 - 300 = 200 \)
So, the estimated answer is 200.