Answer & Step-by-step explanation: 4.58
PEMDAS:
Parenthesis first! (8 + 7 + 3.3) = 18.3
Exponents second! [tex]1/2^{2}[/tex] = 1/4 = 0.25
Multiply third and solve! 18.3 x 0.25 = 4.575
Round if needed! 4.575 = 4.58 = 4.6 = 5
