Given that density of water is `"1 g mL"^(-1)`. What is its density in kg `m^(-3)`?

Explanation

To convert the density of water from grams per milliliter (g/mL) to kilograms per cubic meter (kg/m³), we can follow these steps:

### Step 1: Understand the conversion factors
1. **Density in g/mL**: The given density is 1 g/mL.
2. **Conversion from grams to kilograms**: 1 g = 0.001 kg.
3. **Conversion from milliliters to cubic meters**: 1 mL = 1 × 10^(-6) m³.

### Step 2: Convert grams to kilograms
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