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OpenStudy (anonymous):
Estimate using compatible numbers. 9% of 72 a. 7 b. 14 c. 35 d. 70
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OpenStudy (anonymous):
72*9/100 72*0.09= 6.48
OpenStudy (anonymous):
I don't understand.
OpenStudy (anonymous):
9% of 72 \[\frac{9}{100} \times 72 = 0.09 \times 72 = 6.48 \approx 7\]
OpenStudy (anonymous):
Ok. Thanks!!
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