Mathematics 0580 · IGCSE · Standard form

Standard form — practice question

(a)[1]

Express $45\,000$ in standard form.

(b)[1]

Calculate the value of $6.75 \times 10^{-3} \times 4.2 \times 10^{5}$. Give 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: “Final answer: $4.5\times10^{4}$” …

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