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.

- Pre-Algebra -
**helper**, Tuesday, January 18, 2011 at 9:44pm
vinegar - pH 3

baking soda - pH 9

9 - 3 = 6 units diff.

10 x 6 = 60x as acidic

10^6 = 1 million, so I can't see how that is right

10^1.77815 = 60

or, 6 x 10^1 = 60

is this a pre-algebra question or science?

- Pre-Algebra -
**TiffanyJ**, Tuesday, January 18, 2011 at 9:48pm
its my pre-algebra homework

- Pre-Algebra -
**Rafi**, Monday, November 28, 2011 at 7:13pm
3/5.2/3

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