In a petri dish, a certain type of bacterium doubles in number every 40 minutes.
1 answer:
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The answer to the first one is 15.6 and the second one is 1.76
Step-by-step explanation:
there 5^(n+1) + 5^(n+2) = 5^n x 5^1 + 5^n x 5^2 breaking them as x^(a+b) = x^a x x^b
then taking common 5^n from both terms
