Question

Write as a decimal number: $40+\frac{7}{100}+\frac{9}{10000}$

Answer 1

$$\begin{gathered} 40+\frac{7}{100}+\frac{9}{10000} \\ =40+0+\frac{0}{10}+\frac{7}{100}+\frac{0}{1000}+\frac{9}{10000} \\ =40.0709 \end{gathered}$$