16Hit1600
Advanced MathEasy–MediumBacteria tripling every day

Advanced Math practice question

A colony of 2 bacteria triples in number every day. How many bacteria will there be after 3 days?

Answer: 54

2 × 3³ = 2 × 27 = 54.

Common wrong answers

If you answered 18
18 is 2 × 3 × 3, only two triplings.
If you answered 24
24 is 2 × 3 × 4, multiplying by the number of days.
If you answered 216
216 is 6³, combining the 2 and 3 before raising.

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