Basic Math Examples

$9$ , $123 \cdot 9$ , $8372 - 1000$

Step 1

Multiply $123$ by $9$ .

$9, 1107, 8372 - 1000$

Step 2

Subtract $1000$ from $8372$ .

$9, 1107, 7372$

Step 3

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

$\frac{9 + 1107 + 7372}{3}$

Step 4

Simplify the numerator.

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Step 4.1

Add $9$ and $1107$ .

$\frac{1116 + 7372}{3}$

Step 4.2

Add $1116$ and $7372$ .

$\frac{8488}{3}$

Step 5

Divide.

$2829.\overline{3}$

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.

$2829.3$