Some compound interest problems require you to evaluate an exponential function. For example, let's compute  and  . Both expressions assume a principle
of $450 at 3.5% interest over ten years. In the first expression interest is compounded
quarterly, in the second it is compounded continuously. Notice the need for
parentheses around the products in the exponent position.
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1 
0.035 
4 
10 
0.035 
