Which expression will produce an answer with the fewest significant figures?A. 15.4 - 8.1B. 4350 - 2210C. 18.8 - 6.5D. 54.5 * 30.7

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asked Jun 28, 2023 140k views

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Which expression will produce an answer with the fewest significant figures?A. 15.4 - 8.1B. 4350 - 2210C. 18.8 - 6.5D. 54.5 * 30.7

Mathematics
high-school

Lizi asked

by Lizi

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we have following:

$\begin{gathered} 15.4-8.1=7.3\cong7\rightarrow2sf \\ 4350-2210=2140\rightarrow3sf \\ 18.8-6.5=12.3\cong12\rightarrow3sf \\ 54.5\cdot30.7=1673.15\cong1670\rightarrow3sf \end{gathered}$

therfore, the answer is the option A.

Vijay Kumar Singh answered Jul 3, 2023

by Vijay Kumar Singh

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