With the same calculation :
If the power number (the number on top) is negative, it is quite strange but you must do the following :
Now let's have a look at something practical :
Hence, by gathering the 3, we see that :
We can write :
In fact :
Also, you have to know that a number to the power 0 is always 1.
On the other hand, does not exist , it does not make sense.
Now that you know that , you should also know that . Hence :
and that 2 to the power 3 to the power 4 is equal to 2 to the power 12 :
There you go, that's it...You can do the problems to check if you have understood.