Answer:
480
Step-by-step explanation:
Let's solve this expression:
(7²+71) 2²
Evaluate the exponent.
7² = 7 x 7
7² = 49
Plug back into expression.
(49 + 71) 2²
Solve what is in the parentheses.
49 + 71 = 120
(120) 2²
Evaluate the exponent.
2² = 4
120 x 4
Solve it.
480
The answer is 480.