(a)[2]
Complete the statement for the value of $l$.
(b)[3]
Find the length of wire, in metres, that corresponds to a mass of 900 grams.
(c)[2]
Find the mass, in grams, of $6000\text{ cm}^3$ of aluminium. Write your answer in standard form.
(d)[2]
Find the percentage increase in the wire’s length.