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math

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I am submitting agian, I am not sure the answer someone gave sounds correct.
We are learning about exponents. A type of bacteria reproduces by splitting in two every thirty minutes. How many bacteria will there be after 4 hours if there are 2 bacteria to begin with?

  • math -

    2
    4
    8 = 1st hour
    16
    32 = 2nd hour
    64
    128 = 3rd hour
    256
    512 = 4th hour

  • math -

    Thank you Ms. Sue, I was not sure if it was 256 or 512.

  • math -

    You're welcome, Kam.

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