Calculus Examples

$\sum_{n = 1}^{5} 3 {(0.2)}^{n - 1}$

Step 1

Expand the series for each value of $n$ .

$3 \cdot {0.2}^{1 - 1} + 3 \cdot {0.2}^{2 - 1} + 3 \cdot {0.2}^{3 - 1} + \dots + 3 \cdot {0.2}^{5 - 1}$

Step 2

Simplify the expanded form.

$3.7488$