Here's how to convert 0.005 grams into scientific notation:

1. Move the decimal point:

* Start with 0.005

* Move the decimal point three places to the right: 0.005 --> 0.05 --> 0.5 --> 5

* You now have 5.

2. Add the exponent:

* Since you moved the decimal point three places to the right, the exponent is -3.

3. Combine the results:

* The scientific notation is 5 x 10^-3 grams.