Basic Math Examples

$83$ , $34.6 - 82$ , $803.6$

Step 1

Subtract $82$ from $34.6$ .

$83, - 47.4, 803.6$

Step 2

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

$\frac{83 - 47.4 + 803.6}{3}$

Step 3

Simplify the numerator.

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Step 3.1

Subtract $47.4$ from $83$ .

$\frac{35.6 + 803.6}{3}$

Step 3.2

Add $35.6$ and $803.6$ .

$\frac{839.2}{3}$

Step 4

Divide $839.2$ by $3$ .

$279.7\overline{3}$

Step 5

Divide.

$279.7\overline{3}$

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.

$279.7$