What is 4 to the power of 9 ?What is 4 to the power of 9 ?Solution: 49 = 262,144simplify this: All that is needed is to multiply it out:4 x 4 x 4 x 4 x 4 x 4 x 4 x 4 x 4 = 262,144So, 4 to the power of 9 is 262,144.