Basic Math Examples

$3$ , $4$ , $7$ , $8$ , $3$ , $4$ , $8$ , $8$ , $5$ , $7$

Step 1

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

$\frac{3 + 4 + 7 + 8 + 3 + 4 + 8 + 8 + 5 + 7}{10}$

Step 2

Simplify the numerator.

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Step 2.1

Add $3$ and $4$ .

$\frac{7 + 7 + 8 + 3 + 4 + 8 + 8 + 5 + 7}{10}$

Step 2.2

Add $7$ and $7$ .

$\frac{14 + 8 + 3 + 4 + 8 + 8 + 5 + 7}{10}$

Step 2.3

Add $14$ and $8$ .

$\frac{22 + 3 + 4 + 8 + 8 + 5 + 7}{10}$

Step 2.4

Add $22$ and $3$ .

$\frac{25 + 4 + 8 + 8 + 5 + 7}{10}$

Step 2.5

Add $25$ and $4$ .

$\frac{29 + 8 + 8 + 5 + 7}{10}$

Step 2.6

Add $29$ and $8$ .

$\frac{37 + 8 + 5 + 7}{10}$

Step 2.7

Add $37$ and $8$ .

$\frac{45 + 5 + 7}{10}$

Step 2.8

Add $45$ and $5$ .

$\frac{50 + 7}{10}$

Step 2.9

Add $50$ and $7$ .

$\frac{57}{10}$

Step 3

Divide.

$5.7$