11. (b) A different company
has a fixed charge of £3
charges £1.90 per mile
has no charge for booking online.
Write a formula for the cost, £C, of a taxi ride with this company.
Answer £

The table below shows the approximate masses of a dust particle and a grain of pollen. dust particle 0.000000778 g grain of pollen 0.00000000155 g the mass of a dust particle can be estimated and written in the form a × 10^b, where a = 8 and b = the mass of a grain of pollen can be estimated and written in the form a × 10^b, where a = 2 and b = based on the estimates, the mass of a dust particle is approximately blank times larger than the mass of a grain of pollen.