The population of Vanola is 36 000. The population of Oldtown is 45000.
( a ) Write the ratio of these populations in its simplest form.
( 2 )
( b ) In Vanola, 21 % of the population are children.
Calculate the number of children in Vanola.
( 2 )
( c ) In Oldtown there are 12 150 children.
Calculate the percentage of the population of Oldtown who are children.
( 2 )
( d ) ( i ) Write the population of Vanola as a fraction of the total
population of the two towns.
Give your answer in its simplest form.
( 2 )
( ii ) Write 45 000 in standard form.
( 1 )
( e ) The population of Lalola is 39 000, rounded to 2 significant figures.
Complete the statement below.
1 answer
The population of Lalola is 39 000, rounded to 2 significant figures, is 39 000.00.