Mathematics, 16.03.2020 22:41, gabby640

An earthquake measuring 6.4 on the Richter scale struck Japan in July 2007, causing extensive damage. Earlier that year, a minor earthquake measuring 3.1 on the Richter scale was felt in parts of Pennsylvania. How many times more intense was the Japanese earthquake than the Pennsylvania earthquake

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An earthquake measuring 6.4 on the Richter scale struck Japan in July 2007, causing extensive damage...