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That powers question...

Discussion in 'Mathematics' started by tango78, Nov 30, 2010.

  1. tango78

    tango78 New commenter

    Hey,
    I am desperately trying to find the powers question where they are given a list of multiplication facts and have to deduce other ones using the same base number, anyone know where it is or what year it is from?
    Thanks
     
  2. tango78

    tango78 New commenter

    Hey,
    I am desperately trying to find the powers question where they are given a list of multiplication facts and have to deduce other ones using the same base number, anyone know where it is or what year it is from?
    Thanks
     
  3. Sounds like one of the activities from the Improving Maths box, I'll go and have a look.
     
  4. Is this it? It's from the 'Mostly Number' section N12

    Use mini-whiteboards to revise the laws of indices by asking for possible values for the question marks in:

    2^3 × 2^4 = 2^?
    3^7 ÷ 3^2 = 3^?
    5^? × 5^? = 5^12
    2^? ÷ 2^? = 2^?
     
  5. DM

    DM New commenter

    I thought this old chestut was THAT powers question.
    Solve x^x^x^x^x^x^x^x^x^x^x^... (infinite tower) = 3
     
  6. I was guessing it was going to be what is 0^0...
     
  7. DM

    DM New commenter

    A pair of spectacles?
     
  8. I'll remember that for the next time someone asks me!
     
  9. tango78

    tango78 New commenter

    Ha ha, it wasn't any of them but thank you so much, the resources were great!


     

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