im not sure about the first one but im 100% about 2 and 3
2-A
3-D
Answer:
What are you trying to find?
Step-by-step explanation:
7^3 = 343
7×7=48
7×7×7=343
Start with

Exponents have the highest priority, so we evaluate 3 cubed first:

Next, we have to solve parenthesis first: we have 27-8 = 19, so the expression becomes

Multiplications and divisions have the same priority, so we perform them as they appear:
, so the expression becomes
