Mathematics 4024 · O Level · Standard form

Standard form — practice question

(a)[1]

Express $0.00493$ in standard form.

(b)[1]

Calculate $(4 \times 10^9) \times (2 \times 10^{-2})$. Present your answer in standard form.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: Answer: $4.93 \times 10^{-3}$

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