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Q.

Two numbers a = 0.92 and b = 0.08 are given. The numbers of significant figures present in the result after the following operation a+b, a-b, a×b and  ab respectively are

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a

2,2,2,2

b

3,3,2,2

c

3,2,1,1

d

3,2,2,2

answer is C.

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Detailed Solution

a+b = 1.00, a-b = 0.84. In case of multiplication and division result will contain least number of significant figures. In 0.08 there is only one significant figures.

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