Answer:
21
Step-by-step explanation:
30-(3*3)
Follow the rule:
PEMDAS
parenthesis, exponents, multiplication, division, addition, subtraction.
Since we know that multiplication comes first before subtraction in PEMDAS, we do multiplication first. We can also put PARENTHESES around (3*3) because the multiplication comes first.
So:
30-(6)=
21!
Hope this helps, have a good day. c;