Express the following rational number as decimals, using long division.

$\frac{1}{5}$

Express the following rational number as decimals, using long division.

$\frac{-3}{12}$

Express the following rational number as decimals, using long division.

$\frac{9}{25}$

State which rational number in $\frac{-1}{2},\frac{1}{3},\frac{5}{6},\frac{-4}{9},\frac{-8}{11},\frac{1}{5},\frac{-3}{12},\frac{9}{25}$ can be represented as terminating decimal.

State which rational number in $\frac{-1}{2},\frac{1}{3},\frac{5}{6},\frac{-4}{9},\frac{-8}{11},\frac{1}{5},\frac{-3}{12},\frac{9}{25}$ can be represented as repeating decimal.

What can you say about the decimal representation of a rational number?

Write a decimal that is non-terminating and non-repeating.

To make a chocolate cake, Reena requires $2\frac{1}{2}\mathrm{kg}$ of maida, $\frac{4}{5}\mathrm{kg}$ of sugar and $\frac{3}{20}\mathrm{kg}$ of cocoa powder. Find the weight of the mixture when these three ingredients are mixed together.

From a cloth of length $5\frac{1}{4}\mathrm{m}$, Mohan cuts $2\frac{1}{2}\mathrm{m}$ to stitch a skirt. Find the length of the remaining piece of the cloth.