parriss74 parriss74

17-11-2014
Mathematics

contestada

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.

Respuesta :

LadyCiel LadyCiel

17-11-2014

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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