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What is the sum of the digits of the decimal representation of 2^2005 x 5^2007 x 3?

 Jan 17, 2022
 #1
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(10)^2005 * 5^2 * 3

Does writing it like this help?

 

=^._.^=

 Jan 17, 2022
 #2
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+1

Total Sum = 12
Total Num = 2007

 Jan 17, 2022
 #3
avatar+18 
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THANKS A LOT!! cool

 Jan 17, 2022

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