Question 632592
First we translate it into exponential equation:

8 to the 2nd power times 8 to the sevnth power = 8^2 * 8^9 = X

where

the two 8s are the bases

^2 and ^7 are the exponents

When multiplying identical bases, simply add their exponents 

8^2 * 8^7 = 8^(2+7)= 8^9 = 134,217,728