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22 March, 20:35

In a lab, a scientist is running an experiment on a

sample of radioactive particles. She observes that

each day, half of the current number of particles

disappears. If she wants to have 2 particles of the

original sample left on the 5th day, what is the

minimum number of particles she should start

with?

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Answers (1)
  1. 22 March, 20:57
    0
    She should start with about 160 particles
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