Answer:
4 meters
Explanation:
Let's notice that “centi” is the prefix that means “one hundred”. Therefore, 1 meter equals 100 centimeters.
We can resolve this kind of problems with a direct rule of 3. If 100 centimeters equal 1 meter, how many meters equal 400 centimeters?

We use the formula of the direct rule of 3:

x = 4
It snowed 4 meters.