Question 1.10: Evaluate each of the following to three significant figures ...
Evaluate each of the following to three significant figures and express each answer in SI units using an appropriate prefix:
(a)(0.691Mm)/(8.60kg)² ,(b) (35mm)² (48 kg)³
\begin{aligned} a)(0.631 Mm ) /(8.60 kg )^2&=\left(\frac{0.631\left(10^6\right) m }{(8.60)^2 kg^2}\right)=\frac{8532 m }{ kg ^2} \\&=8.53\left(10^3\right) m / kg ^2=8.53 km / kg ^2\end{aligned}
b) (35 mm )^2(48 kg )^3=\left[35\left(10^{-3}\right) m \right]^2(48 kg )^3=135 m ^2 \cdot kg ^3
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