Question

Write an expression using only a whole number base and a whole number exponent to model 9.9.9.9.9. Enter your expression in the box. ? 1 2 3 5 6 7 CO 9 0

Answer 1

Take into account that the following expression:

aᵇ

means that the number a is multiplied by itself b times.

Then, for the number 9·9·9·9·9, you can notice that it is a product of five 9's.

Hence, you can write:

9·9·9·9·9 = 9⁵