#### Answer

$600$

#### Work Step by Step

$\bf{\text{Solution Outline:}}$
To evaluate the given expression, $
\displaystyle\sum_{i=1}^{100} 6
,$ use the properties of summation.
$\bf{\text{Solution Details:}}$
Using a property of the summation which is given by $\displaystyle\sum_{i=1}^n c=nc,$ the expression above is equivalent to
\begin{array}{l}\require{cancel}
100(6)
\\\\=
600
.\end{array}