Advanced MathEasyBacteria after two doublings
Advanced Math practice question
A dish holds 1,000 bacteria, and the number doubles every hour. How many bacteria are in the dish after 2 hours?
Answer: 4000
1,000 → 2,000 → 4,000.
Common wrong answers
- If you answered 2000
- 2000 is after one hour.
- If you answered 3000
- 3000 adds 1,000 twice.
- If you answered 8000
- 8000 is after three hours.
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