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Find the last two digits

Albert

Well-known member
Jan 25, 2013
1,225
n is an odd positive integer number please find the last two digits of :

$2^{2n}(2^{2n+1}-1)$ (in decimal notation)
 
Last edited:

chisigma

Well-known member
Feb 13, 2012
1,704
Please... doe's the number written in binary or decimal notation?...

Kind regards

$\chi$ $\sigma$
 

Albert

Well-known member
Jan 25, 2013
1,225
decimal