23 - (Parenthesis, Exponents, Division, Multiplication, Addition, Subtraction) The answer would be 23. (do the multiplication first) 4 x 5. (20) then add the three. (20 plus 3 = 23)
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Using pemdas, the subtraction and addition happen at the same time. If there are no parenthesis, then you just go from right to left. 8-5=3 3+4=7 So 7 is your answer.
Paranthisis Exponent Multiply Divide Add Subtract you use pemdas for instance (2/3 x 3/2)3 + 5 = 8
Using PEMDAS, it would go like this: -3x3-9= (-3x3)-9= -9-9= -18. The answer would be -18.
You pretty much write it as you said it. You handle the exponent first and then add and subtract. 3 + 542-6 = 3 + 2,916 - 6 =2,913
All you have to do is multiply 3 x 3 and you get 9.