One type of potential energy is chemical energy. This is energy stored up that is released during a chemical reaction. An exampl
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Answer:
Explanation:
Given,
Original number of bacterial cell = 4,
Also, the number of bacterial cell triples every month,
So, the number of bacteria after one month = 3 × 4 = 4(3)
After two months = 3 × 4(3) = 4(3)²,
After three months = 3 × 4(3)² = 4(3)³,
......................................................... , so on,
Thus, the number of bacterial cell after 15 months,
For 15 months, x = 15,
Hence, the number of bacterial cells after 15 months,
Which is the required equation she should use.