SOLUTION: Find the sum of the digits of 10^36-63

Algebra.Com
Question 818744: Find the sum of the digits of 10^36-63
Answer by jsmallt9(3758)   (Show Source): You can put this solution on YOUR website!
is a 1 followed by 36 zeros. To subtract the 63 we have to borrow from the 1 (so it will be gone after subtracting). Then 34 of the 36 zeros will be 9's and the last two digits will be 3 and 7:
  1000000000000000000000000000000000000
-                                    63
_______________________________________
   999999999999999999999999999999999937
So the sum of the digits would be 34*9+3+7 = 306+3+7 = 316.

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