Hey there!
Just do PEMDAS to solve
Parentheses
Exponents
Multiplication
Division
Addition
Subtraction
8 + (7 - 1)^2 / 20 - 9 * 2
= 8 + 6^2/ 20 - 9 * 2
= 8 + 36/10 - 9 * 2
= 8 + 9/5 - 18
= 49/5 - 18
= - 41/5
Therefore, your answer is:
-41/5 ≈ 8 1/5 or 8.2
Good luck on your assignment and enjoy your day!
~Amphitrite1040:)
