Question 3(c)

Estimate the following product using general rule:
1291 x 592

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Solution

Rule: Round off each factor to its greatest place(nearest hundred), then multiply the rounded off factors.

1291 x 592
1291 round off to nearest 100 $\Rightarrow$ 1300
592 round off to nearest 100 $\Rightarrow$ 600
$∴$ The estimated product = 1300 x 600 = 7,80,000

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Similar questions

(i) 578 \times 161

(ii) 1291 \times 592

Estimate the following products using general rule:

(a) 578 × 161 (b) 5281 × 3491

Question 3(a)

Estimate the following product using general rule:
578 x 161

Question 3(b)

Estimate the following product using general rule:
5281 x 3491

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