As we know,
[tex]\begin{gathered} 1\text{ m = 100 cm} \\ 1\text{ cm = }\frac{1}{100}\text{ m} \end{gathered}[/tex]Snowstorms in the white mountains snowed 300 centimeters in one week.
Now,
[tex]\begin{gathered} 300\text{ cm = }\frac{300}{100}\text{ m} \\ 300\text{ cm = 3 m} \end{gathered}[/tex]Therefore, the answer is 3 m.