(a)[1]
Write six hundred and three thousand eight hundred and twenty-one in figures.
(b)[2]
How much change will she get from $5$?
(c(i))[1]
Determine the value of $\sqrt{81}$.
(c(ii))[1]
Determine the value of $6^3$.
(c(iii))[1]
Determine the value of $3^0$.
(d)[2]
Write 130 as a product of prime factors.
(e)[3]
State the next time both bells ring together.