Question

Why round off is done before adding it with 101 ? why not after addition with 101 the round off is done?​

Answer 1

Explanation:

As you can see, in finding a round sum, it is quickest to round the numbers before adding them. 1. Some statisticians prefer to round 5 to the nearest even number. As a result, about half of the time 5 will be rounded up, and about half of the time it will be rounded down..

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Answer 2

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hey here the question asked that the result to be reported must be in 3 significant figures . That is why at first accurate number was changed into significant notation and it converted into 3 significant figures.

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