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What four steps should be used in evaluating expressions?

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1 Answer

think PEMDAS. The order of operations!

1. Parenthesis

2. Exponents (powers)

3. Multiplication

4. addition/subtraction

The steps can not be switched or skipped.

example: 5*(8+9) +4 = 89   without the parenthesis we have 5*8+9+4 = 53

Comments

ya taken a test, Jason? Or do you really want to understand this stuff?

Stuart

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