Basic Math Examples

$28$ , $636.47 + 3$ , $501.412$

Step 1

Add $636.47$ and $3$ .

$28, 639.47, 501.412$

Step 2

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

$\frac{28 + 639.47 + 501.412}{3}$

Step 3

Simplify the numerator.

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Step 3.1

Add $28$ and $639.47$ .

$\frac{667.47 + 501.412}{3}$

Step 3.2

Add $667.47$ and $501.412$ .

$\frac{1168.882}{3}$

Step 4

Divide $1168.882$ by $3$ .

$389.627\overline{3}$

Step 5

Divide.

$389.627\overline{3}$

Step 6

The mean should be rounded to one more decimal place than the original data. If the original data were mixed, round to one decimal place more than the least precise.

$389.6$