Answer:
They multiplied the exponents instead of adding.
Step-by-step explanation:
Essentially, 2^2 x 2^3 is (2)(2) x (2)(2)(2) which is 5, not 6
Answer:
mutually exclusive
Step-by-step explanation:
Answer:
x - 2
Step-by-step explanation:
2x - x = x
-3 - -1 = -2