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OpenStudy (anonymous):
Use rounding to the nearest whole number and clustering to give an estimate for: 15.23 + 12.8 + 4.93 + 7.21. A. 42 B. 41 C. 40
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OpenStudy (anonymous):
15.23 goes to 15 12.8 goes to 13 4.93 goes to 5 7.21 goes to 7 15+13+5+7=40
OpenStudy (anonymous):
its 40.17 wich rounds doun to 40
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