Find the hydrogen ion concentration of a healthy person's stomach acid, which has a pH around 1. (Format your answer in scientific notation and then...

13.6 4:Find the hydrogen ion concentration of a healthy person's stomach acid, which has a pH around 1.36. (Format your answer in scientific notation and then round to two decimal places.)

13.6 3: On May 12, 2008, a certain country had a 7.8 magnitude earthquake. What was the intensity of that earthquake? (Round your answer to two decimal places.)

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