Basic Math Examples

${(3.7 - 4.1)}^{2} + 6$ , $0.2$

Step 1

Simplify each term.

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Step 1.1

Subtract $4.1$ from $3.7$ .

${(- 0.4)}^{2} + 6, 0.2$

Step 1.2

Raise $- 0.4$ to the power of $2$ .

$0.16 + 6, 0.2$

Step 2

Add $0.16$ and $6$ .

$6.16, 0.2$

Step 3

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

$\frac{6.16 + 0.2}{2}$

Step 4

Add $6.16$ and $0.2$ .

$\frac{6.36}{2}$

Step 5

Divide $6.36$ by $2$ .

$3.18$

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.

$3.18$