Basic Math Examples

$- 80 + 0$ , $3 \cdot (- 10^{3})$

Step 1

Add $- 80$ and $0$ .

$- 80, 3 \cdot (- 10^{3})$

Step 2

Raise $10$ to the power of $3$ .

$- 80, 3 \cdot (- 1 \cdot 1000)$

Step 3

Multiply $3 (- 1 \cdot 1000)$ .

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Step 3.1

Multiply $- 1$ by $1000$ .

$- 80, 3 \cdot - 1000$

Step 3.2

Multiply $3$ by $- 1000$ .

$- 80, - 3000$

Step 4

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

$\frac{- 80 - 3000}{2}$

Step 5

Cancel the common factor of $- 80 - 3000$ and $2$ .

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Step 5.1

Factor $2$ out of $- 80$ .

$\frac{2 \cdot - 40 - 3000}{2}$

Step 5.2

Factor $2$ out of $- 3000$ .

$\frac{2 \cdot - 40 + 2 \cdot - 1500}{2}$

Step 5.3

Factor $2$ out of $2 \cdot - 40 + 2 \cdot - 1500$ .

$\frac{2 \cdot (- 40 - 1500)}{2}$

Step 5.4

Cancel the common factors.

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Step 5.4.1

Factor $2$ out of $2$ .

$\frac{2 \cdot (- 40 - 1500)}{2 (1)}$

Step 5.4.2

Cancel the common factor.

$\frac{2 \cdot (- 40 - 1500)}{2 \cdot 1}$

Step 5.4.3

Rewrite the expression.

$\frac{- 40 - 1500}{1}$

Step 5.4.4

Divide $- 40 - 1500$ by $1$ .

$- 40 - 1500$

Step 6

Subtract $1500$ from $- 40$ .

$- 1540$