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Question

The answer of the calculation 2.568×5.84.168 in significant figures will be:

A
3.579
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B
3.57
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C
3.57
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D
3.6
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Solution

The correct option is D 3.6
In these operations where multiplication and division are involved, the result must be reported with no more significant figures as are there in the measurement with the least significant figures.

2.568×5.84.168 = 3.573

Since 5.8 has the least that is only two significant figures, the result should not have more than two significant figures. Thus, it is 3.6 after rounding off.

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