Results 1 to 5 of 5

Math Help - tricky word problem... please take a look

  1. #1
    Senior Member
    Joined
    Nov 2012
    From
    Hawaii
    Posts
    285
    Thanks
    2

    tricky word problem... please take a look

    i thought the answer was E, the largest possible integer of p... can anyone explain this to me
    Attached Thumbnails Attached Thumbnails tricky word problem... please take a look-screen-shot-2012-12-18-9.00.43-am.png  
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor
    skeeter's Avatar
    Joined
    Jun 2008
    From
    North Texas
    Posts
    12,041
    Thanks
    885

    Re: tricky word problem... please take a look

    50^7 = (5^2 \cdot 2)^7
    Follow Math Help Forum on Facebook and Google+

  3. #3
    MHF Contributor
    Joined
    Oct 2009
    Posts
    5,559
    Thanks
    785

    Re: tricky word problem... please take a look

    You are right: 50⁷ / 5⁴ = 2⁷ = 128. And 5⁴ is the largest power of 5 that divides 50⁷.
    Follow Math Help Forum on Facebook and Google+

  4. #4
    Senior Member
    Joined
    Nov 2012
    From
    Hawaii
    Posts
    285
    Thanks
    2

    Re: tricky word problem... please take a look

    so i'm right??
    Follow Math Help Forum on Facebook and Google+

  5. #5
    MHF Contributor
    Joined
    Oct 2009
    Posts
    5,559
    Thanks
    785

    Re: tricky word problem... please take a look

    Quote Originally Posted by asilvester635 View Post
    so i'm right??
    Yes. But be prepared to prove it convincingly to any skeptic!
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Tricky word problem
    Posted in the Advanced Math Topics Forum
    Replies: 8
    Last Post: January 27th 2010, 07:38 PM
  2. tricky word problem...
    Posted in the Calculus Forum
    Replies: 1
    Last Post: December 17th 2009, 09:11 PM
  3. Tricky Word Problem
    Posted in the Algebra Forum
    Replies: 1
    Last Post: January 25th 2009, 10:25 AM
  4. Tricky word problem..
    Posted in the Algebra Forum
    Replies: 1
    Last Post: April 8th 2008, 09:55 PM
  5. Tricky word problem
    Posted in the Algebra Forum
    Replies: 6
    Last Post: July 11th 2007, 06:49 PM

Search Tags


/mathhelpforum @mathhelpforum