What is the approximate average rate at which the air's resistance increases, as the car accelerates from 50 km/h50\text{ km/h}50 km/h50, start text, space, k, m, slash, h, end text to 65 km/h65\text{ km/h}65 km/h65, start text, space, k, m, slash, h, end text?

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

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.