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Year 11 Maths - General Computation and practical arithmetic

Approximations, Decimal Places and Significant Figures

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Questions
Question 1
29390

Evaluate \(\sqrt {{{4.1}^2} + {{1.7}^2}} \) correct to 2 decimal places

\(4.44\)

\begin{aligned}
\sqrt{4.1^{2}+1.7^{2}} &=\sqrt{19.7} \\
&=4.4384 \ldots \\
&=4.44
\end{aligned}

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