Estimate each of the following products by rounding off to nearest tens.

(a) 15 x 34 (b) 54 x 45

Asked by Topperlearning User | 4th Jun, 2014, 01:23: PM

Expert Answer:

(a) 15 rounded to nearest ten is 20

34 rounded to nearest ten is 30

Product = 20 x 30 = 600

(b) 54 rounded to nearest ten is 50

45 rounded to nearest ten is 50

Product = 50 x 50 = 2500

Answered by  | 4th Jun, 2014, 03:23: PM

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