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20

Part of 1993 AMC 8

Problems(1)

Sum of digits of 10^(93)-93

Source: 1993 AMC 8 Problem 20

6/28/2011
When 1093−9310^{93}-93 is expressed as a single whole number, the sum of the digits is
(A) 10(B) 93(C) 819(D) 826(E) 833\text{(A)}\ 10 \qquad \text{(B)}\ 93 \qquad \text{(C)}\ 819 \qquad \text{(D)}\ 826 \qquad \text{(E)}\ 833
AMC