- 28. To compare intensities of earthquakes, use the formula log10 ½-½ = R₁ – R₂, where I is the intensity of 12 the quake being measured and 12 is the intensity of the reference quake. How many times more. intense is an earthquake measuring 7.4 on the Richter scale than an earthquake measuring 5.5 on the Richter scale?

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28. To compare intensities of earthquakes, use the formula log10 ½-½ = R₁ – R₂, where I is the intensity of
12
the quake being measured and 12 is the intensity of the reference quake. How many times more.
intense is an earthquake measuring 7.4 on the Richter scale than an earthquake measuring 5.5 on
the Richter scale?
Transcribed Image Text:- 28. To compare intensities of earthquakes, use the formula log10 ½-½ = R₁ – R₂, where I is the intensity of 12 the quake being measured and 12 is the intensity of the reference quake. How many times more. intense is an earthquake measuring 7.4 on the Richter scale than an earthquake measuring 5.5 on the Richter scale?
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