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The numbers 2.745 and 2.735 on rounding ...

The numbers 2.745 and 2.735 on rounding off to 3 significant figures will give

A

`2.75 and 2.74`

B

`2.74 and 2.73`

C

`2.75 and 2.73`

D

`2.74 and 2.74`

Text Solution

Verified by Experts

The correct Answer is:
D
Rounding off `2.745" to" 3` significant figures it would be 2.74. Rounding off `2.735 "to" 3` significant figures it would be 2.74.
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Assertion: A number 2.746 rounded off to three significant figures is 2.75, while the number 2.743 would be 2.74. Reason: In rounding off the uncertain digits, the preceding digit is raised by 1 if the insignificant digit to be dropped is more than 5 and is left unchanged if the latter is less than 5.