Apr 20, 2017

In scientific notation it is $6.7 \times {10}^{-} 1 g / m L$

#### Explanation:

In scientific notation there is only one digit to the left of the decimal.

Then the rest of the significant digits are written to the right of the decimal.

The significant digits are then multiplied by a power of 10 to indicate the correct value of the digits.

So, $.67 g / m L = 6.7 \times {10}^{-} 1 g / m L$

To change the value to liters, remember that there are 1000 mL in a liter, so $1 m L = {10}^{-} 3 L$

So $.67 g / m L = 6.7 \times {10}^{2} g / L$