Question

Write each of the following as decimals:$\left(\mathrm{b}\right)$ Two tens and nine-tenths

Answer 1

Convert into a decimal number:

Two tens and nine-tenths can be written as$20+\frac{9}{10}$.

$$\begin{gathered} \therefore 20+\frac{9}{10}=20+0.9 \\ =20.9 \end{gathered}$$

Hence, the decimal form of Two tens and nine-tenths is$20.9$.