How do i mean 1.1 x 10^-3 the same as 5.3 x 10^7

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?

The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick

The track team ran a mile and a quarter during their practice how many kilometers did her team runs?