Posted by **Anonymous** on Friday, February 21, 2014 at 11:34am.

1. Simplify the quotient (6.4 x 10^9) / (1.6 x 10^-3). Write the answer in scientific notation.

My answer: 4 x 10^6?

Simplify.

2. a^16/a^4

My answer: a^12?

3. (4y^6/x^3)^2

My answer: 16^12/x^6?

4. (2/b^5)^-3

My answer: b^15/8?

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