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what is the highest possible product with a four digit number x a two digit number in which you can only use a combination of these numbers, four 9's, 8's, 7's, 6's, and 5's?

Guest May 15, 2017
 #1
avatar+93664 
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what is the highest possible product with a four digit number x a two digit number in which you can only use a combination of these numbers, four 9's, 8's, 7's, 6's, and 5's?

 

mmm maybe

9998*98 = 979804    That is my guess.

 

 

9999*88 = 879912

9988*99 = 988812     I am changing my mind, this one is bigger. :)

Melody  May 16, 2017
 #2
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Does this count??

 

9^999 x 8^8 =3.258268170037922016445897860027 x 10^960  !!!

Guest May 16, 2017

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