Answer:
x=1
Step-by-step explanation:
3x+8x-8=3
11x=3+8
11x=11
x=11/11
x=1
3^(-2) = 1/(3^2) = 1/(3*3) = 1/9
The rule used here is x^(-y) = 1/(x^y) to make the exponent positive.
3^2 turns into 3*3 because the exponent 2 tells us how many copies of the base '3' to multiply out.
Answer:
2,800
Step-by-step explanation:
B. 6
Explanation: 8(6+4)= 80
38+ 7(6)= 80
Answer:
-11
Step-by-step explanation:
(9+8-6)(4-5)
(17-6)(-1)
(11)(-1)
-11
