Multiplication can be represented as repeated addition. repeated multiplication leads to exponents. use what you know about multiplying signed numbers to evaluate each expression. (-3)3

-27

Step-by-step explanation:

-3^3  (the number after ^ is the exponent)

-3 x -3 x -3

-3 x -3 = 9 (multiplying two negatives results in a positive)

9 x -3 = -27

the answer is a i belaeve atleast thats what my calculator just gfave me

step-by-step explanation:

answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation , we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

now we need to divide both sides of the equation by 3:

therefore, we can conclude that bea's uncle is 25 years old.