Question 131

The value of $$\frac{(0.013)^3 + (0.007)(0.000049)}{(0.007)^2 + 0.013(0.013 - 0.007)}$$ is:.......

Solution

$$\frac{(0.013)^3 + (0.007)(0.000049)}{(0.007)^2 + 0.013(0.013 - 0.007)}$$

$$\frac{(0.013)^3 + (0.007)(0.007)^2}{(0.007)^2 + 0.013(0.013 - 0.007)}$$

$$\frac{(0.013)^3 + (0.007)^3}{(0.007)^2 + 0.013(0.006)}$$
$$\frac{0.000002197 + 0.000000343}{0.000049 + 0.000078}$$

$$\frac{0.02197 + 0.00343}{0.49 + 0.78}$$

$$\frac{0.0254}{1.27}$$ = 0.02

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