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JohnnieNeedsHELPBLAHH

  • one year ago

Simplify. 3 – 15 • 5 (1 point) • 0 • 78 • –72

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  1. JohnnieNeedsHELPBLAHH
    • one year ago
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    ???

  2. audrielynn
    • one year ago
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    -72

  3. JohnnieNeedsHELPBLAHH
    • one year ago
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    Ya sure??

  4. LaurAK
    • one year ago
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    It's -72

  5. audrielynn
    • one year ago
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    yes. you multiply first...

  6. Kayla567
    • one year ago
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    72 this is correct not negative

  7. JohnnieNeedsHELPBLAHH
    • one year ago
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    〖(-3)〗^3/〖(-3)〗^2 (1 point) –3 729 9

  8. jazy
    • one year ago
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    Follow PEMDAS. Multiply first. Then subtract. 3 - 15 * 5 3 - 75 -72

  9. JohnnieNeedsHELPBLAHH
    • one year ago
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    (-3)^3/(-3)^2 -3 729 9 that the qwestion?

  10. mayrabris2cute
    • one year ago
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    Its -72. I used a calculator :) TRUST!!!

  11. kirbykirby
    • one year ago
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    Please learn these rules carefully :) There are so many of these kinds of posts on Facebook and people just use the operations from left to right! Prove them wrong!! lol.

  12. JohnnieNeedsHELPBLAHH
    • one year ago
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    WTF there is no 72 theres 729?

  13. mayrabris2cute
    • one year ago
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    Yes Johnnie. The last answer is -72. Thats the answer haha.

  14. audrielynn
    • one year ago
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    Please Excuse My Dear Aunt Sally: Parenthesis.Exponents. Multiplication. Division. Addition. Subtraction.

  15. mayrabris2cute
    • one year ago
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    Yea pemdas. Idk where your gettin 729???

  16. jazy
    • one year ago
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    \[\frac{ -3^3 }{ -3^2 }\] Quotient of Powers: To divide powers with like bases, subtract the exponents. So you'd have: \[-3^1 or -3\]

  17. jazy
    • one year ago
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    He posted a second question on here.

  18. jazy
    • one year ago
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    The first question is -72. The seond one is -3.

  19. jazy
    • one year ago
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    *second

  20. kirbykirby
    • one year ago
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    But remember that multiplication and division BOTH have the same priority. And addition/subtraction also have the SAME priority. So what if you encounter an expression with both multiplication and division for example? In that case, you would go from left to right.

  21. jazy
    • one year ago
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    @JohnnieNeedsHELPBLAHH

  22. kirbykirby
    • one year ago
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    (Some people think because it's PEMDAS that you have to exactly follow that order). But bear in mind that there are some mnemonics out there that invert the MD and AS

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