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Q.

The correctly reported answer of the addition of 4.523, 2.3 and 6.24 will have significant figures

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a

Two

b

Three

c

Four

d

Five

answer is B.

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Detailed Solution

large begin{array}{*{20}{c}} {4.523} \ { + 2.3;;;} \ { + ;6.24} \ {overline {underline {13.063} } } end{array}

 


 

 

The number with least number of significant figures after decimal is 2.3
The answer must-be repeated upto one significant figures after decimal point 

large 13.0not 6not 3

After randing off the answer must be reported as 13.1
It has three significant figures

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