Annual rainfall

The average annual rainfall is 686 mm. How many liters will fall on the 1-hectare field?

Correct answer:

V =  6860000 l

Step-by-step explanation:

$$\begin{gathered} S=100^2\cdot 10^2=1000000{\text{dm}}^2 \\ c=686\mathrm{/}100={\displaystyle \frac{343}{50}}=6.86\text{ dm } \\ 1l=1{\text{dm}}^3 \\ V=S\cdot c=1000000\cdot 6.86=6860000\text{ l} \end{gathered}$$

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