Answer:
0.5625
Step-by-step explanation:
You do the parenthasis first and get 18 and then you divide 18/32 and get 0.5625
PEMDAS if need help understanding the order
(Parenthesis, Exponent, Multiply, Divide, Add, Subtract)
(21-3)÷32 (do parenthesis first)
18÷32 (divide)
answer is about 0.5625
