ICSE Class 10 Answered
Topic : GP
The number of bacteria in a certain culture doubles every hour. If there were 30 bacteria in the culture originally how many will be present at the end of the 4th hour and nth hour ?
Asked by Pankaj | 07 Oct, 2018, 07:07: PM
Expert Answer
According to the question,
30, 60, 120, 240,...
a = 30 and r = 2
a4 = 240
an = arn - 1
an = 30(2)n - 1
Answered by Sneha shidid | 09 Oct, 2018, 10:51: AM
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