Question

Exercise 4.2 Estimate the following products by rounding off each number to the nearest 10
3582x27 ​

Answer 1

Answer:

Estimated value to the nearest ten of 3582= 3580

Estimated value to the nearest ten of 27= 30

∴ required estimation = (3580×30)

= 107,400

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Answer 2

Answer:

Estimate the value near tens 3582- 3580

and 27- 30

hence 3580×30= 107400

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