You would multiply the bases and keep the exponent the same.
For example let's say you had 5³7³. (5 and 7 are bases, 3 is the exponent)
If we break it down we can see what this problem is essentially saying.
555777
Then, we can group the fives and the sevens since we have the same amount of each (due to having the same exponent).
(57)(57)(57)
Now, we can simplify this because it is a repeating pattern with equal amounts of each numbers.
(57)³
Next, solve inside the parenthesis.
(35)³
You can leave the answer like this, or solve to get 42,875.
This can be checked by expanding it and solving.
5³7³
↓
555 = 125 and 777 = 343
↓
125343 = 42,875
