Danielle Chin Huey Ren's answer to audrey's Secondary 4 E Maths Singapore question.

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Danielle Chin Huey Ren
Danielle Chin Huey Ren's answer
10 answers (Tutor Details)
1st
This is 1 method of doing these types of questions. It will be more useful when they are asking for, say population after day 100.
Another way you can do this question is to manually multiply the population number by 2 until you reach day 20,but this method will be more tedious and time consuming.