Mathematics 0580 · IGCSE · Powers and roots

Powers and roots — practice question

(a)[2]

List every factor of 68.

(b(i))[1]

7+3\times5-1=19

(b(ii))[1]

$12+16\div2+5=19$

(c(i))[1]

the reciprocal of $\frac{2}{7}$

(c(ii))[1]

the value of $10^0$

(d(i))[1]

$3^2+3^4$

(d(ii))[1]

$\sqrt{3}\times\sqrt{12}$

(d(iii))[1]

$5^{-3}$

(e)[2]

Arrange these numbers from smallest to largest: $\sqrt{10}$, $3.142$, $1.8^2$, $\pi$, $\frac{22}{7}$.

(f)[2]

$\dfrac{136+47.2}{62.9\div18.1}$

(g)[1]

Write $4.73 \times 10^6$ in ordinary number form.

(h)[1]

Write down any prime number between 30 and 40.

Worked solution & mark scheme

This 15-mark question has a full step-by-step worked solution and mark scheme. One marking point: 1, 2, 4, 17, 34, 68

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