Rounding Off to a Required Number of Significant Figures with Use of a Calculator
Rounding Off to a Required Number of Significant Figures with Use of a Calculator
Express each of the following, rounded off to the required number of significant figures stated in brackets with the use of a calculator.
\(\sqrt{19.5^{2}+\frac{36.4^{2}}{8.2}}\) (3 s.f.)
\(\frac{5.24}{\sqrt{21.5\times 0.569}}\) (2 s.f.)
\(\sqrt[3]{\frac{3.123^{2}-\pi}{52.17\times 86.42}}\) (4 s.f.)
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Answer:(a) \(23.3\); (b) \(1.5\); (c) \(0.1136\)
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