Math Problem Statement
According to the US Geological Survey, the number of kilograms of TNT you would need to detonate to release the same amount of energy as an earthquake is given by the formula below, in which M is the earthquake magnitude.
If an earthquake released four billion kg of TNT worth of energy, what magnitude was it? Round your answer to two digits after the decimal.
Solution
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Math Problem Analysis
Mathematical Concepts
Logarithms
Exponential Equations
Earthquake Magnitude
Formulas
E = 10^((3M/2) - 7)
Theorems
Properties of Logarithms
Suitable Grade Level
Grades 10-12
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