Q.
Perform the following calculations and express the result to proper number of significant figures3.50×102cm4.00×106cm
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a
14.0 × 108
b
14.0 × 105
c
15.0 × 108
d
15.0 × 1010
answer is A.
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Detailed Solution
3.50×102cm×4.00×106cm=14.0×108cm2(up to 3 significant figures)
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