(a)[1]
Write down the reciprocal value of $\frac{1}{3}$.
(b)[1]
Write down the numerical value of $3^0$.
(c)[1]
Find a fraction that lies between $\frac{3}{25}$ and $\frac{4}{25}$.
(d)[1]
Find the temperature difference between $-5^\circ\text{C}$ and $9^\circ\text{C}$.
(e(i))[1]
Write $5\,600\,000$ in standard form using powers of 10.
(e(ii))[1]
Write $0.000\,072$ in standard form using powers of 10.
(f)[1]
Calculate $(5.2 \times 10^6) \times (3.8 \times 10^{-2})$. Give the result in standard form.