Simplify \(\frac{0.045 \times 2.5}{0.5}\) correct to 2 significant figures
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Correct Answer: Option A
Explanation:
\(\frac{0.045 \times 2.5}{0.5}=0.05625=0.056 \quad 2 s . f\).
The correct option is \(\mathrm{B}\)
\(40 \frac{2 \frac{2}{3} \times 1 \frac{1}{2}}{3 \frac{1}{2}}=\frac{\frac{8}{3} \times \frac{3}{2}}{7 / 2}=\frac{4}{7 / 2}=\frac{4 \times 2}{7}=\frac{8}{7}=1 \frac{1}{7}\)
\(\frac{0.045 \times 2.5}{0.5}=0.05625=0.056 \quad 2 s . f\).
The correct option is \(\mathrm{B}\)
\(40 \frac{2 \frac{2}{3} \times 1 \frac{1}{2}}{3 \frac{1}{2}}=\frac{\frac{8}{3} \times \frac{3}{2}}{7 / 2}=\frac{4}{7 / 2}=\frac{4 \times 2}{7}=\frac{8}{7}=1 \frac{1}{7}\)