Complete the steps to find the algebraic expression that represents the situation. On my last birthday I weighed 180 pounds. One year later my weight had decreased by pounds. Write the expression that gives my weight one year later.

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)