UKMT Pink Kangaroo, 2018

Algebra Difficulty 1.0 Junior Find the answer United Kingdom

In the calculation shown, how many times does the term $2018^2$ appear inside the square root to make the calculation correct?

$\sqrt{2018^2+2018^2+\ldots+2018^2}=2018^{10}$

(A) $5$ (B) $8$ (C) $18$ (D) $2018^8$ (E) $2018^{18}$

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