Is the expected wait time for 240 people less than, greater than, or equal to 40 minutes? How do you know?
1 answer:
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In mathematics there is a rule of exponents where we can "distribute" the powers/exponents in the numerator and denominator of any expression. Therefore, given an expression as , the exponent n can be "distributed" as:
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In our case, the power, n=11; a=7 and b=4. Thus, the expression , can be written as
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Thus, out of the given options, option A is the correct option.