A circle with center at (-2,2) passes through (7,2). Find the circumference and area of the circle in terms of .
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So the rule with dividing exponents of the same base is to just subtract the exponents. Using this rule, we solve the equation as such:
Next, assuming that you only want positive exponents, to get from a negative exponent to a positive one the rule is . Using this rule, your final answer is going to be