Ineed to find the answer of this question pls ( with working )

36.

Step-by-step explanation:

2 * 3^4 * 2^5          2 * 81 * 32               2 * 9 *2

=          =       =  36

   9 * 4^2                 9 * 16                          1

it costs $20 to interview each person for a survey. find the cost to obtain a +- 3% margin of error.

step-by-step explanation:

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3/4 ÷ 3/4

step-by-step explanation:

basically divide any proper fraction with itself to fit the criteria.

so if we are using 3/4, then:

3/4 ÷ 3/4 = 1

so 1 is the quotient.

and the numerators for both these fractions is 3.   and if we divide the numerators:

3 ÷ 3 = 1

we see that quotient is equal to our original quotient as well.