PEMDAS is math acronym that tells you in what order to work a problem. It stands for parentheses, exponents (powers/roots), multiply, divide, add, and subtract.
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There is no known origin of the order of operations or PEMDAS. PEMDAS is considered as the proper way to tackle a given mathematical expression in terms of what operation should be performed first.
use pemdas first...
Follow the order of operations; PEMDAS. PEMDAS is Parentheses, Exponents, Multiply, Divide, Add, & Subtract.
Go left to right
to use PEMDAS first start by solving inside the parenthesis second the exponent third work on multiplication or division and finally work with the addition or subtraction and there u go ! sample : 50+30-5x6 = 50+30-30 70-30 =40 hope this helps :)