To find the value of a number under the square root sign, do u divide it by 2

no to find the square root of a number you have to do the inverse operation of squaring a number for example to find the square root of 9 you need to figure out what times itself equals 9 and that would be 3

I hope this helped you

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)