Mathematics 4024 · O Level · Standard form

Standard form — practice question

(a)[1]

Express $0.0000845$ in standard form.

(b(i))[1]

With $p = 2.7 \times 10^{11}$ and $q = 9 \times 10^{12}$, find $p + q$ in standard form.

(b(ii))[2]

Find $p \div q$ and give your answer in standard form.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$8.45\times10^{-5}$” …