Results 1 to 2 of 2

Thread: Help!!! Distributive property with exponents

  1. Sep 17th 2008, 07:35 PM #1
    coquettish6836
    coquettish6836 is offline
    Newbie
    Joined
    Sep 2008
    Posts
    1

    Exclamation Help!!! Distributive property with exponents

    use the distributive property to expand these expressions. leave ur answer in exponential form.

    7^7(7^9 +7^4) = __________

    6k^2(3k^4 - 9k^8) = _________


    these are 2 of like 100 i have, i just want to make sure im doing them right so i dont have to redo them later, and well fail the assignment.
    Follow Math Help Forum on Facebook and Google+
  2. Sep 17th 2008, 11:09 PM #2
    Pn0yS0ld13r
    Pn0yS0ld13r is offline
    Member
    Joined
    Jul 2008
    Posts
    78
    Remember the product of powers property of exponents: a^{m} \cdot a^{n} = a^{m+n}.

    I'll do the first one.

    1)

    7^{7}\left(7^{9}+7^{4}\right) = 7^{7} \cdot 7^{9} + 7^{7} \cdot 7^{4} = 7^{7+9} + 7^{7+4} = 7^{16} + 7^{11}.
    Follow Math Help Forum on Facebook and Google+
« An Algebra 1 Question | SOD »

Similar Math Help Forum Discussions

  1. Distributive Property
    Posted in the Algebra Forum
    Replies: 4
    Last Post: Sep 10th 2011, 05:19 PM
  2. Help with distributive property
    Posted in the Algebra Forum
    Replies: 2
    Last Post: Jun 11th 2011, 08:36 PM
  3. Please HELP! Distributive property
    Posted in the Algebra Forum
    Replies: 2
    Last Post: Feb 3rd 2010, 11:29 PM
  4. Distributive Property
    Posted in the Algebra Forum
    Replies: 3
    Last Post: Jan 23rd 2008, 03:47 PM
  5. Distributive Property, exponents, combining like terms, and negative numbers
    Posted in the Algebra Forum
    Replies: 1
    Last Post: Oct 2nd 2007, 07:15 PM

Search Tags


/mathhelpforum @mathhelpforum