Mathematics 4024 · O Level · Standard form

Standard form — practice question

Here, $N = 4 \times 10^{5}$.
(a)[2]

In standard form, find $N^{2}$.

(b)[2]

In standard form, find $\frac{1}{N}$.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: The intermediate answer is $16\times10^{10}$.

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