## Help in solving the qs

Please help me in solving the following question A 37 digit number k is comprised of 37 nines. Find the sum of the digits of the number k2 :?:

## correction in above question

sorry for the typo .. the qs is A 37 digit number [size=14]k [/size]is comprised of 37 nines. Find the sum of the digits of the number [size=14]k[/size][size=18]2[/size]( read as k square)