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Math - 8th grade

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Express 18 million in scientific notation.
I answered 1.8 x 10 to the 7th and was wrong. I don't understand why? You are supposed to move the decimal 7 places to get 18 million. What did I do wrong? Thank You.

  • Math - 8th grade - ,

    18 million
    = 18,000,000
    = 1.8 x 10^7

    You were right, whoever marked it wrong, is wrong!

  • Math - 8th grade - ,

    65 days

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