Changing a prefixed unit to a base unit.
By which conversion factor do we multiply $35 \mathrm{~m}$ to change it to km?

Answer

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Answer

$\boxed{0.035\text{ km}}$

Steps

Step 1 ：Given a value of 35 meters, we need to convert it to kilometers.

Step 2 ：We know that 1 kilometer is equal to 1000 meters, so we need to divide the given value in meters by 1000 to get the value in kilometers.

Step 3 ：$\text{meters} = 35$

Step 4 ：$\text{conversion_factor} = 1000$

Step 5 ：$\text{kilometers} = \frac{\text{meters}}{\text{conversion_factor}}$

Step 6 ：$\text{kilometers} = \frac{35}{1000}$

Step 7 ：$\text{kilometers} = 0.035$

Step 8 ：$\boxed{0.035\text{ km}}$