Which set of figures will be obtained after rounding upto three significant figures 1.386, 4.334,2808?

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1.39, 4.34, 2809

1.39, 4.33, 2810

1.38, 4.34, 2800

1 .39, 4.34, 2810

answer is B.

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Detailed Solution

to round up a given no ignore the the last digit as such if the digit next to it is less than 5, Then increase by 1if the digit next to it more than five so 1.386=1.39 ;4.334= 4.33 ;2808=2810 .the answer is 2nd optional i.e1.39, 4.33 and 2810

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