siobhanmc1 siobhanmc1

10-03-2016
Mathematics

contestada

How would you use estimation to evaluate this expression 10.2 x [(2x3.7)+8]

Respuesta :

10-03-2016

Round off the decimals to a sensible number. So 3.7 would be 4 and 10.2 would be 10. In this case, it would be (2 × 4 + 8) × 10 which is 160.

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