An engineer is analyzing the circular cross section of a cylindrical structure. The diameter of the circular cross section is 15 feet. What is the circumference of
the circular cross section? Select the best answer below.

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is means division by fractions

step-by-step explanation:

the answer is:

the answer is:

to solve the problem, we need to remember the quotient of power property, it's defined by the following relation:

if we have a quotienf of powers that have the same base, we need to keep the same base and subtract the exponent of the denominator power to the exponent of the numerator power.

so, we are given the expression:

then, calculating we have:

hence, the answer is:

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