Express the as indicated. One has been done for you.
18 cm as km

Answer

To convert 18 cm into kilometers, we can follow these steps:

### Step 1: Understand the conversion factor
1 centimeter (cm) is equal to 0.00001 kilometers (km). This is our conversion factor.

### Step 2: Set up the conversion
To convert 18 cm into kilometers, we can multiply the number of centimeters by the conversion factor:
\[ \text{Distance in km} = \text{Distance in cm} \times \text{Conversion factor} \]
Thus, we can write:
\[ \text{Distance in km} = 18 \, \text{cm} \times 0.00001 \, \text{km/cm} \]

### Step 3: Perform the multiplication
Now, we will multiply:
\[ 18 \times 0.00001 = 0.00018 \, \text{km} \]

### Step 4: Write the final answer
Therefore, 18 cm is equal to:
\[ 0.00018 \, \text{km} \]

### Final Answer:
18 cm = 0.00018 km

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