https://www.tiger-algebra.com/drill/4(2%e2%80%93x)%3E%e2%80%932x%e2%80%933(4x_1)/Answer:
Step-by-step explanation:
given
a = - 3
3a² = 3 * ( -3) ²
= 3 * 9
= 27
The value of 3a² is 27.
Answer:
B, ten N to the left
90n - 80n = 10n
