Question

Evaluate. 9^2+2⋅4−5

Please help (40 points)

Answer 1

Answer: 84

Explanation:

9^2+2*4-5

Let's solve according to PEMDAS and calculate the exponent first.

That leaves us with

81+2*4-5

Next, it's time to multiply.

81+8-5

From then on, we can just add and subtract to get the final answer:

84