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Biology help

Help I don’t get how to do this… the correct answer is 2000 as it’s says on the paper but I don’t get how.
I got 2000000
I did:
10:90 (10+90=100)IMG_2622.jpeg
2 colonies so 2 x 100^3
(edited 11 months ago)
i think you might have accidentally put this in the maths subforum instead of the bio subforum. you might be more likely to get help if you put it over there

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