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  • 2010 December(69A) Math Question 14

    Exponents, Radicals, & Scientific Notation

    - Scientific Notation

    Choice F
    $$3.9\times 10^{-1}=0.39$$ $$3.9\times 10^{-2}=0.039$$ $$3.9\times 10^{-3}=0.0039$$

    There will always be one less zero in front of the three and the nine.

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