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The surface area of a hemisphere is given by the formula 2πr^2, where r is the radius.
Substituting the given radius of 10m into the formula, we have:
Surface area = 2π(10m)^2
Surface area = 2π(100m^2)
Surface area = 200πm^2
Therefore, the surface area of the hemisphere is 200π m^(2).
So, the correct answer is:
200 pi m squared