Assignment: 
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Answer: 
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Explanation: 
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[ Step One ] Factor out common term 

[ Step Two ] Factor 
\left(4x\right)^2-1^2
[ Step Three ] Rewrite equation

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Answer:
11.2
Step-by-step explanation:
the first thing you wanna do it's to change 40% into a real number to do that you move the decimal 2 places to TV he left and make it 0.40 then you multiply 0.40 with 8 and you get 3.2 so you add 3.2 to 8 and the answer is 11.2
The answer to the question
Answer:
32 bacteria exist in the culture after 8 hours.