What are the last two digits of $2^{2n}(2^{2n+1}-1)$ in decimal notation?

[Albert1]

n is an odd positive integer number please find the last two digits of :

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

 

[chisigma]

Please... doe's the number written in binary or decimal notation?...

Kind regards

$\chi$ $\sigma$

 

[Albert1]

decimal