Find ? And the appropriate equation to do so

What is 1.5% of 120 or what number is 1.5% of 120

Find the missing factor. write your answer inexponential form.9^2=9^4×

A50-foot ladder is leaning against a vertical wall. if the base of the ladder is 45 feet from the base of the wall, find the angle the bottling of the ladder makes with the ground.