will the standard form of the expression $(-7)^{2}$ be positive or negative? explain.
will the standard form of the expression $(-7)^{2}$ be positive or negative? explain.
Answer
Explanation:
Step1: Expand the expression
$$(-7)^2=(-7)\times(-7)$$
Step2: Multiply the numbers
When multiplying two negative numbers, the result is positive. So, $(-7)\times(-7) = 49$.
Answer:
The standard form of the expression $(-7)^2$ is positive. Because $(-7)\times(-7)=49$ (a positive number).