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April 20, 2014

Homework Help: Pre-Algebra

Posted by TiffanyJ on Tuesday, January 18, 2011 at 9:23pm.

Find each product or quotient. express using exponents

4. Neutral water has a pH of 7. Each one-unit decrease i the pH means that the solution is 10 times more acidic. How much more acidic vinegar is than baking soda if vinegar has a ph of 3 and baking soda has a ph of 9? I think the answer is 10 to the 6th power but I don't know how to write out my work.

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