Precalculus Examples

$\sum_{i = 0}^{4} 5.4 i + 6.6$

Step 1

Expand the series for each value of $i$ .

$5.4 \cdot 0 + 6.6 + 5.4 \cdot 1 + 6.6 + 5.4 \cdot 2 + 6.6 + \dots + 5.4 \cdot 4 + 6.6$

Step 2

Simplify the expanded form.

$87$