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Under the order of operations, what is done first?
AProgressions
BParentheses
CPercentages
DPermutations
Answer & Solution
Correct answer: B. Parentheses
1. Exponents follow next.
2. Then come multiplication and addition.
3. Calculations inside the parentheses come first.
_Source: OpenStax, Contemporary Mathematics, Ch 4 'Number Representation and Calculation'_
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