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March 29, 2017

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i have a quick question...
-3^2
(-3)^2
wat is the difference???
also...
-3^3
(-3)^3
help me plz...thx if u do

  • math- exponents - ,

    also...wat if its like -(-5)^2

  • math- exponents - ,

    - 3^2 = - 3*3 = -9
    (-3)^2 = -3 * -3 = +9

    - 3^3 = - 3*3*3 = -27
    (-3)^3 = -3 * -3 * - 3 = -27

    (-5)^2 = 25
    so
    - (-5)^2 = -25

  • math- exponents - ,

    oh ok...thank u for the help
    :)

  • math- exponents - ,

    Do everything inside parentheses before doing anything else.

  • math- exponents - ,

    in the first, -3^2 is ambigous. IT could mean -9 (the negative of three squared) or 9 (negative three squared).

    On the second, in either case it is -9

    on the last, -(-5^2)=- 25

  • math- exponents - ,

    thnx 4 the help....
    :)

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