PEMDAS.
Parenthases, exponent, multiplication, division, addition, subtraction.
Do parenthases first then exponents. Multiplication and divison are left to right. Then it's addition and subtraction, left to right.
Hope I helped!
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The rules for solving word problems are read the problem, decide what you need to do, solve the problem, and check your answer.
yes
what is a special set of rules that gives the order in which calculations are done to solve a problem
If you change the order of operations, you will get a different result. The person who wrote the expression had a specific order of operations in mind (using generally-accepted rules), so arbitrarily using some other order of operations is, quite simply, wrong.
Well honey, any career that involves math or problem-solving will use the order of operations. So, if you're into being a mathematician, engineer, scientist, or even a financial analyst, better brush up on those PEMDAS rules. Otherwise, you'll be more lost than a sock in the dryer.