A. Round off each decimal number to the nearest whole number and estimate the
sum and the difference. a. 74.5 + 75.2
b. 788.13 - 487.6
B. Round off the decimal numbers to the nearest tenth and estimate the sum or the
difference. a. 543.12 + 499.88
b. 77.111 - 67.177
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sorry I didn't the answer
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I am so sorry
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