A hydrologist models the discharge of a river as a function of rainfall: \( Q = 50R^{0.7} \), where \( Q \) is discharge in m³/s and \( R \) is rainfall in cm. If rainfall increases from 30 cm to 40 cm, by how much does discharge increase? Round to the nearest whole number.

Sun, 03 May 2026 11:49:49 +0000

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