What is 8 to the power of 13 ?What is 8 to the power of 13 ?Solution: 813 = 549,755,813,888simplify this: All that is needed is to multiply it out:8 x 8 x 8 x 8 x 8 x 8 x 8 x 8 x 8 x 8 x 8 x 8 x 8 = 549,755,813,888 So, 8 to the power of 13 is 549,755,813,888.