Mathematics, 24.05.2020 01:00 mai1261

The magnitude, m, of an earthquake is defined to be m = logI/S where I is the intensity of the earthquake (measured by the amplified of the seismograph wave) and S is the intensity of a “standard” earthquake, which is barely detectable. What is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? Use a calculator. Round your answer to the nearest tenth.
2
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4.5
6.9

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The magnitude, m, of an earthquake is defined to be m = logI/S where I is the intensity of the earth...