Chapter 3

Write each of the following as a proper fraction in its simplest form: (a) $0.12$ (b) $0.125$ (c) $0.1250$ (d) $0.85$ (e) $0.76$

Express the following decimal numbers as proper fractions in their simplest form: (a) $0.8$ (b) $0.80$ (c) $0.08$ (d) $0.080$ (e) $0.800$

Write $28.403951$ to (a) 6 s.f., (b) 5 s.f., (c) 4 s.f., (d) 3 s.f., (e) 2s.f., (f) 1 s.f.

Write the following fractions as decimals: (a) $\frac{3}{5}$ (b) $\frac{3}{10}$ (d) $\frac{3}{40}$ (e) $\frac{3}{100}$

$$ Write $9.0046$ to (a) 3 s.f., (b) 2 s.f., (c) 1 s.f.

Express the following decimal numbers as proper fractions in their simplest form: (a) $0.2$ (b) $0.25$ (d) $0.025$ (e) $0.2025$

Write the following fractions as decimals, giving your answer to 3 d.p.: $\begin{array}{ll}\text{ (a) }\frac{1}{3}\text{ (b) }\frac{2}{3}\text{ (c) }\frac{1}{9}\text{ (d) }\frac{4}{11}& \text{ (e) }\frac{6}{7}\end{array}$

Express the following decimal numbers as proper fractions in their simplest form: (a) $0.16$ b) $0.88$ (c) $0.108$ (d) $0.555$ (e) $0.965$

Write each of the following as a decimal number: $\begin{array}{lll}\text{ (a) }\frac{1}{5}\text{ (b) }\frac{3}{20}& \text{ (c) }\frac{7}{40}& \text{ (d) }\frac{21}{84}\text{ (e) }\frac{110}{20}\end{array}$

Write $0.550$ to (a) 2 s.f., (b) 1 s.f.