What is 3 to the power of 7 ?What is 3 to the power of 7 ?Solution: 37 = 2,187simplify this: All that is needed is to multiply it out:3 x 3 x 3 x 3 x 3 x 3 x 3 = 2,187 So, 3 to the power of 7 is 2,187.