he CPA Practice Advisor reports that the mean preparation fee for federal income tax returns was . Use this price as the population mean and assume the population standard deviation of preparation fees is

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)

answer: 12

step-by-step explanation:

because yes

answer4 to the second power is 16

and 4 to the third power is 64,