Basic Math Examples

$42$ , $0$ , $0 - 2006$

Step 1

Subtract $2006$ from $0$ .

$42, 0, - 2006$

Step 2

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

$\frac{42 + 0 - 2006}{3}$

Step 3

Simplify the numerator.

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Step 3.1

Add $42$ and $0$ .

$\frac{42 - 2006}{3}$

Step 3.2

Subtract $2006$ from $42$ .

$\frac{- 1964}{3}$

Step 4

Move the negative in front of the fraction.

$- \frac{1964}{3}$

Step 5

Divide.

$- 654.\overline{6}$

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.

$- 654.7$