Algebra 1 (Reiny)

1Simplify 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: b^15/8?

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  1. #1 nope. If you subtract -3 from 9, you don't get 6.
    4 x 10^12

    #2 yes

    #3 where did b come from? I suspect you mixed up problems.

    (4y^6/x^3)^2 = 16y^12/x^6

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    posted by Steve

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