Answers

2015-08-25T18:41:49+08:00
A scientist observes bacteria growth and records in table at regular intervals.
observation/   1    2     3    4   5
Bacteria/      5    10   20   40   80

 How much bacteria will there when she makes her 12th observation??
a12=?
a1=5
r=2

Formula for G.S= a1r^n-1
A12=5(2)^12-1
a12=5(2^11)
a12=5(2048)
a12=10,240

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