Give two examples that show how using parentheses can change the order in which operations are performed in an expression?

Question

Mathematics

Jordin Carter

6 July, 15:31

Give two examples that show how using parentheses can change the order in which operations are performed in an expression?

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Philip Haney · Answer 1

Problem Simplify 3 + 5 • 2. 3 + 5 • 2 Order of operations tells you to perform multiplication before addition. 3 + 10 Then add. Answer 3 + 5 • 2 = 13

Example ProblemSimplify 20 - 16 : 4. 20 - 16 : 4 Order of operations tells you to perform division before subtraction. 20 - 416 Then subtract. Answer 20 - 16 : 4 = 16