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InterviewSolution
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Round off the following numbers upto three significant figures. (i)2.520 , (ii)4.645 , (iii)22.78 , (iv)36.25 |
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Answer» (i)2.520 Since 0 is less than 5, prededing digit is left unchanged . Hence , 2.52 (ii)4.645 since the digit to be dropped is 5 and preceding digit 4 is even .Hence , 4.64 (iii)22.78 Since the digit to be dropped, 8 is greater than 5 , the preceding digit 7, is raised by 1. Hence 22.8 (iv)36.35 Since the digit to be dropped is 5, and the preceding digit 3 is odd, we write the answer as 36.4 |
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