How do you do repeated multiplication explain

the same number that would be obtained by multiplying the base number together the number of times that is equal to the exponent.

Example: 34 = 81 is equivalent to 3*3*3*3 = 81. 
In this example, the base is 3 and the exponent is 4.

Exponents are written as a superscript number (e.g. 34) or preceded by the caret (^) symbol (e.g. 3^4).