Order of Opperation is as known as [ PEMDAS ] which stands for [ Parenthases , expoent, Multiplication, Dividing , Adding , & subtracting. ]
For example : 5( 3.9^2 )+7.8 [ The problem ] So first we do The Parenthases & the expoent : 5(3.18)+7.8
5(54)+7.8
270+7.8
270+56
326
So it came out as 326 for your answer[:
Now remember , Order of opperations is just the order of Parenthases, expoent, Multiplication, Dividing, Adding, & Subtracting[:
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The order of opperations in math is perenthiseis, exponents, multiplication, division, adding, and subtracting. People remember it by reffering to it as PEMDAS or Please Excuse My Dear Aunt Sally.
Inverse operations
Yes and the other two basic operations are multiplication and division
It's the opposite of some sort of operation like the inverse operation of subtraction would be addition.
It means that the calculator can follow the order of operations and do the order of operations for you but, you need to know how to do them on your own too.