Finite Math Examples

$8$ , $- 16$ , $32$ , $- 64$ , $128$

Step 1

The mean of a set of numbers is the sum divided by the number of terms.

$\frac{8 - 16 + 32 - 64 + 128}{5}$

Step 2

Simplify the numerator.

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Step 2.1

Subtract $16$ from $8$ .

$\frac{- 8 + 32 - 64 + 128}{5}$

Step 2.2

Add $- 8$ and $32$ .

$\frac{24 - 64 + 128}{5}$

Step 2.3

Subtract $64$ from $24$ .

$\frac{- 40 + 128}{5}$

Step 2.4

Add $- 40$ and $128$ .

$\frac{88}{5}$

Step 3

Divide.

$17.6$