Question

Find the value of 21 + 4(3^2-5).
A.25
B.37
C.100​

Answer 1

Let’s start with PEMDAS. Parenthesis first. 3 squared is 9, then you subtract 5 from 9, which is 4. Then we have to multiply 4 with 4, which is 16. For our last step, we have to add 16 with 21, which is 37. Your answer is B.