Express each of the following as rate percent.
`0.002`

Explanation

To express the decimal number `0.002` as a rate percent, we will follow these steps:

### Step 1: Convert the decimal to a fraction
To convert the decimal `0.002` into a fraction, we observe that there are three digits after the decimal point. This means we can express it as:

\[ 0.002 = \frac{2}{1000} \]
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