sierram298
28.06.2019 •
Mathematics
Acolony of bacterial doubled every week. if the colony began with 40 bacteria, how many bacteria are present after 4 weeks?
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Ответ:
640 bacteria.
Step-by-step explanation:
Make a chart.
Bacteria Weeks
40 0
80 1
160 2
320 3
640 4
It starts off with 40 bacteria, which means no weeks have passed so far. That is why 40 pairs with 0 rather than 1.
Ответ: