Quantcast Hierarchy of Mathematical Operations - h1014v1_37

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Review of Introductory Mathematics FOUR BASIC ARITHMETIC OPERATIONS 10 ÷ 5 = 2 b. Perform addition and subtraction operations from left to right. c. The final answer is 2 + 12 - 2 - 6 = 6 There  may  be  cases  where  several  operations  will  be  performed  within  multiple  sets  of parentheses.     In  these  cases  you  must  perform  all  operations  within  the  innermost  set  of parentheses and work outward.  You must continue to observe the hierarchical rules through out the problem. Additional sets of parentheses may be indicated by brackets, [ ]. Example: Solve the following equation: [2    ( 3 + 5) - 5 + 2] x 3 = ______ Solution: a. Perform operations in the innermost set of parentheses. 3 + 5 = 8 b. Rewriting the equation: [2    8 - 5 + 2] x 3 = c. Perform multiplication prior to addition and subtraction within the brackets. [16 - 5 + 2] x 3 = [11 + 2] x 3 = [13] x 3 = d. Perform multiplication outside the brackets. 13 x 3 = 39 Rev. 0 Page 17 MA-01



 


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