Question

a population of insects doubles every month. If there are 100 insects to start with, how many will there be in 7 month

Answer 1

If at the end of every month the population dubbuls then at the end of 7 month there will be 12,800 

month1)200

month2)400

month3) 800

month4) 1600

month5) 3200

month6) 6400

month7)12800