Basic Math Examples

$7.7$ $7.9$ $8.1$ $8.3$ $8.5$ $8.7$

Step 1

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

$\frac{7.7 + 7.9 + 8.1 + 8.3 + 8.5 + 8.7}{6}$

Step 2

Simplify the numerator.

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Step 2.1

Add $7.7$ and $7.9$ .

$\frac{15.6 + 8.1 + 8.3 + 8.5 + 8.7}{6}$

Step 2.2

Add $15.6$ and $8.1$ .

$\frac{23.7 + 8.3 + 8.5 + 8.7}{6}$

Step 2.3

Add $23.7$ and $8.3$ .

$\frac{32 + 8.5 + 8.7}{6}$

Step 2.4

Add $32$ and $8.5$ .

$\frac{40.5 + 8.7}{6}$

Step 2.5

Add $40.5$ and $8.7$ .

$\frac{49.2}{6}$

Step 3

Divide $49.2$ by $6$ .

$8.2$

Step 4

Divide.

$8.2$