Jambmaths question:
Simplify $\frac{0.026\times 0.36}{0.69}$ leave your answer in standard form
Option A:
$1.36\times {{10}^{-1}}$
Option B:
$1.36\times {{10}^{-3}}$
Option C:
$1.36\times {{10}^{-4}}$
Option D:
$1.36\times {{10}^{-2}}$
Jamb Maths Solution:
$\begin{align} & \frac{0.026\times 0.36}{0.69}=\frac{26\times {{10}^{-3}}\times 36\times {{10}^{-2}}}{69\times {{10}^{-2}}}\approx \text{13}\text{.6}\times \text{1}{{\text{0}}^{-3-2+2}} \\ & \frac{0.026\times 0.36}{0.69}\approx \text{13}\text{.6}\times \text{1}{{\text{0}}^{-3-2+2}} \\ & \frac{0.026\times 0.36}{0.69}\approx 13.6\times {{10}^{-3}}\approx 1.36\times {{10}^{-2}} \\\end{align}$
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