Orders Of Operations . By: Kasey Adams 2 nd hour math. PEMDAS. Please excuse my droopy apple-pie slice . The steps . 1) parenthesis () 2) exponents 4 2 3) malt. and dev. From left to right÷,× 4) add and sub. +,-. Example #1. 15×3+12×2
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By: Kasey Adams
Step 1:45+12×2 You times 15 by 3 and you get 45
Step 2: 45+24 you times 12 by 2 and you get 24
Answer: 69 you add 45 by 24 and you get 69
Step #3: 4+7