document.write( "Question 731653: After 1 day, a colony of 50 bacteria reproduces to become 200 bacteria. After 2 days, they reproduce to become 800 bacteria. If they continue to reproduce at this rate, how many bacteria will be present after 4 days? \n" ); document.write( "
Algebra.Com's Answer #447234 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
Look at the pattern. What happens? Each day the population is multiplied by 4. See a geometric sequence? \r
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