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Question

Estimate the difference by rounding off each number to nearest hundreds:

8578-786

A
7800
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B
7900
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C
7700
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D
8000
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Solution

The correct option is A 7800

8578 can be rounded off to its nearest hundred as 8600.

786 can be rounded off to its nearest hundred as 800.

Then, Estimate for 8578-786 is 8600 - 800=7800

So, option 'a' is correct.

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