Mathematics 4024 · O Level · Standard form

Standard form — practice question

(a)[1]

Express $0.000053$ in standard form.

(b)[2]

Evaluate $(1.5 \times 10^{14}) \times (8 \times 10^6)$. State your answer in standard form.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Hence $5.3\times10^{-5}$.” …