Mathematics 4024 · O Level · Standard form

Standard form — practice question

Thus, $N=2\times10^8$.

(a(i))[1]

Write your answer in standard form and find the value of $N\times700$.

(a(ii))[2]

Write your answer in standard form and find the value of $\frac{1}{N}$.

(b)[1]

Find the smallest positive integer $M$, given that $MN$ is a cube number.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Therefore, $1.4\times10^{11}$” …