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 number 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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Answer:
74.5 + 75.2.
=149.7 + 788.13
=937.83 + 487.6
=9845.57
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