Answer:
122.4
Step-by-step explanation:
Remember PEMDAS
Parentheses
Exponents
Multiply
Divide
Add
Subtract
(52-15+2)=39
39x3=117
117+5.4=122.4
You need to use PEMDAS. First solve everything in the parenthesizes. So 52-15 is 37+2 is 39. Then do 3*39 which is 117. Then do 117+5.4 which is 122.4 :)
