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Maths CBSE Live product
Class 8 (2026-27)
Power play
Problems on Scientific Notation
10.
Number of bacterias
Question:
2
m.
A certain bacteria colony triples in size every hour.
If you start with \(26\) bacteria, write an expression for the number of bacteria after \(t\) hours.
How many will there be after \(3\) hours?
Answer:
Equation:
\(y = 27 \times 3^t\)
\(y = 3 \times 3^t\)
\(y = 26 \times 3^t\)
\(y = 702 \times 3^t\)
Number of bacteria's after \(3\) hours is
3
26
27
702
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