In an experiment to determine whether the amount of coverage of a specific new kind of protecting coat of a thin film for the food industry depends either on the process of applying the film or the worker experience, 1 gallon for each of four processes was applied and three workers with different experience were considered, resulting in the following data (Squared feet covered).

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)

ab: 2 n83b8eb7ebi. 8e yen in

the answer is c just got it on ed

step-by-step explanation: