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1
Estimation. An apartment building is planning on replacing refrigerators in 50 of its units. If the refrigerators cost $ 771 each, estimate the total cost by rounding both numbers to the nearest 10.

Sagot :

LadyCiel
First, change 771 to an easier number such as 770.
Then, multiply 770 by 50 which would be 38500.
The refrigerators would cost approximately $38,500.
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