In ACDE, the measure of ZE=90°, the measure of ZC=81°, and DE = 51 feet. Find the length of CD to the nearest tenth of a foot.

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)

4.28095238095 that is the answer