



 
Hi Emily. Exponential form is, as you probably guessed, a form that shows exponents. Let me give you a sample so you can try those two questions yourself.
First I have to decide if each of these numbers is a power of another number. I know 4 x 4 is 16 and 16 x 2 is 32. So 32 = 2 x 2 x 2 x 2 x 2 = 2^{5}. Also I know that 128 is 32 x 4, so 128 is 2^{5} x 2 x 2 = 2^{7}. Thus,
The last step is to realize that if two factors have the same base (in this case, both bases are 2), then you can add the exponents:
And that is in exponential form. So the final answer is
Now you try the same idea with your questions. Cheers,  


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