Mathway

Visit Mathway on the web

Start 7-day free trial on the app

Start 7-day free trial on the app

Download free on Amazon

Download free in Windows Store

Take a photo of your math problem on the app

Chemistry Examples

400 g

$400 g$

Step 1

Convert

g

$g$ to

kg

$kg$ .

400 g \times \frac{1 kg}{1000 g}

$400 g \times \frac{1 kg}{1000 g}$

Step 2

Cancel the common units and simplify.

Tap for more steps...

Step 2.1

Cross cancel units.

$\frac{400 g}{1} \times \frac{1 kg}{1000 g}$

Step 2.2

Simplify the expression.

Tap for more steps...

Step 2.2.1

Remove the canceled units.

$\frac{400}{1} \times \frac{1 kg}{1000}$

Step 2.2.2

Combine fractions.

$\frac{400}{1000} kg$

Step 2.2.3

Cancel the common factor of

$400$ and

$1000$ .

Tap for more steps...

Step 2.2.3.1

Factor

$200$ out of

$400$ .

$\frac{200 (2)}{1000} kg$

Step 2.2.3.2

Cancel the common factors.

Tap for more steps...

Step 2.2.3.2.1

Factor

$200$ out of

$1000$ .

$\frac{200 \cdot 2}{200 \cdot 5} kg$

Step 2.2.3.2.2

Cancel the common factor.

$\frac{200 \cdot 2}{200 \cdot 5} kg$

Step 2.2.3.2.3

Rewrite the expression.

$\frac{2}{5} kg$

$\frac{2}{5} kg$

$\frac{2}{5} kg$

$\frac{2}{5} kg$

Step 2.3

Convert to decimal.

$0.4 kg$

$0.4 kg$

Enter YOUR Problem

Mathway requires javascript and a modern browser.

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$