Estimate each of the following using …
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Posted by Avishi Rajak 4 years, 11 months ago
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Yogita Ingle 4 years, 11 months ago
1) 12,904 +2,888
Rounding off 12,904 to the nearest thousands we get, 13,000
And rounding off 2,888 to the nearest thousands we get, 3000
Therefore, 13,000 + 3,000 = 16, 000
Therefore, estimate of 12, 904 + 2,888 is equal to 16,000 according to the general rule.
2)28,292 – 21,496
Rounding off 28,292 to the nearest thousands we get, 28,000
And rounding off 21,496 to the nearest thousands we get, 21,000
Therefore, 28,000 - 21,000 = 7,000
Therefore, estimate of 28,292 - 21,496 is equal to 7,000 according to the general rule.
3)9250 × 29
Rounding off 9250 to the nearest thousands, we get 9000
And, rounding off 29 to the nearest tens, we get 30
Therefore, 9000 x 30 = 2,70,000
It means that estimate of 9250 × 29 is equal to 2,70,000 using general rule.
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