Question

8. Estimate the product to nearest tens.
(a) 39 x 42
(b) 86 x 21
(c) 115 x 232
(d) 1456 x 230 first round of after multiple
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Answer 1

Answer:

40×42=1680

90×21=1890

120×232=27840

1460×230=335800

Step-by-step explanation:

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Answer 2

Answer:

a) 39×42=1638 b) 86×21= 1806 c)115×232= 26,680 d)1456×230=334880