# 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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