Find the result of and select the properly normalised answer in scientific notation…

PHYSICS · Single correct · CBSE · Physics · Units and Measurements · Units and Measurements

Problem

Find the result of (6.0×10−4+2.5×10−5)×(4.0×102)(6.0\times10^{-4}+2.5\times10^{-5}) \times (4.0\times10^{2}) and select the properly normalised answer in scientific notation (two significant figures). (a) 25×10−325 \times 10^{-3} (b) 2.5×10−12.5 \times 10^{-1} (c) 3.4×10−13.4 \times 10^{-1} (d) 2.5×10−22.5 \times 10^{-2}

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