9 to the power of 9?
A number raised "to the power of" another number means that the
first number is multiplied by itself repeatedly - to one-less-than
the power, so that
9 to the power of 1 = 9
9 to the power of 2 = 9 x 9 = 81
9 to the power of 3 = 9 x 9 x 9 = 729
9 to the power of 4 = 9 x 9 x 9 x 9 = 6,561
9 to the power of 5 = 9 x 9 x 9 x 9 x 9 = 59,049
9 to the power of 6 = 9 x 9 x 9 x 9 x 9 x 9 = 531,441
9 to the power of 7 = 9 x 9 x 9 x 9 x 9 x 9 x 9 = 4,782,969
9 to the power of 8 = 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 =
43,046,721
9 to the power of 9 = 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 =
387,420,489