Estimate 780+998 using general rule.
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Answered by
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The answer is = 1800. 780=800 and 998=1000
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Given : 780+998
To Find : Estimate
Solution:
780+998
Estimation to tens place
780 = 780
998 = 1000
780 + 1000 = 1780
Estimation to hundred place
780 = 800
998 = 1000
800 + 1000 = 1800
Hence estimated sum is 1780 or 1800
Actual sum if 780 + 998 = 1778
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