(a)[2]
Work out what percentage of the birds are Starlings.
(b(i))[2]
Fill in the pie chart sector-angle column in the table.
(b(ii))[2]
Finish the pie chart so that it represents the table information.
(c)[2]
Calculate how many Goldfinches were seen on Tuesday.
(d(i))[1]
Express 1500 million in standard form.
(d(ii))[2]
Calculate the average number of these birds per square kilometre.