The exponent shows how many times the base is used as a factor. 103 = 10 x 10 x 10
If you multiply 103 x 103 you're really adding three more factors of ten. The answer will be 10 x 10 x 10 x 10 x 10 x 10 or 106
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Add the exponents
you do not do anything when you add numbers with exponents. you just figure out the answer. it is only if you multiply numbers with exponents, where you add the exponents..
You cannot add exponents, you can only multiply. Example 3^3 it would be 3x3x3 9^3 it would be 9x9x9
The answer depends on what you wish to achieve.
The rule is that you multiply the exponents. So if I have 2 squared and I want to raise it to the third power, you multiply the 2x3=6. When you multiply powers you add the exponents. When you raise exponents to a power you multiply. This works for rational exponents which can be used to represent roots as well.