Problem

2017 Gauss 8 Problem 13

The sum of the first 100 positive integers (that is, 1+2+3+\cdots+99+100) equals 5050. The sum of the first 100 positive multiples of 10 (that is, 10+20+30+\cdots+990+1000) equals

\textbf{(A)}\ 10\,100\quad \textbf{(B)}\ 5950\quad \textbf{(C)}\ 50\,500\quad \textbf{(D)}\ 6050\quad \textbf{(E)}\ 45\,450

If there are no answer choices shown, enter a numerical answer.


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