Five harvests

In the seed company, they know that, out of 100 grains of a new variety, they get an average of 2000 grains after harvest. Approximately how many grains do they get out of 100 grains after five harvests?

Correct result:

x =  320000000

Solution:

a0=100 a1=2000  q=a1/a0=2000/100=20  x=a0 q5=100 205=320000000=3.200108



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