Question

Please help me with this question it’s a test and I need answers!!

Answer 1

Answer:

49,7²

Step-by-step explanation:

7^9*7^-6*7^-8*7^7

7^9-6-8+7

7^16-14

7^2

49

Answer 2

Answer:

Seven squared and 49

Step-by-step explanation:

1) you can do simple addition and subtraction with the powers:

9-6-8+7=2

2) leave the seven by itself and add the power:

7^2 (seven squared)

3) seven squared is also equal to 49

(7x7=49)