Precalculus Examples

$\sum_{k = 1}^{4} 4$

Step 1

The formula for the summation of a constant is:

$\sum_{k = 1}^{n} c = c n$

Step 2

Substitute the values into the formula and make sure to multiply by the front term.

$(4) (4)$

Step 3

Simplify.

Tap for more steps...

Step 3.1

Remove parentheses.

$(4) (4)$

Step 3.2

Multiply $4$ by $4$ .

$16$