A Geiger counter registers a count rate of 5,200 counts per minute from a sample of a radioisotope. Eight minutes later,

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answerhappygod
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A Geiger counter registers a count rate of 5,200 counts per minute from a sample of a radioisotope. Eight minutes later,

Post by answerhappygod »

A Geiger counter registers a count rate
of 5,200 counts per minute from a sample of a
radioisotope. Eight minutes later, the count rate
is 1,300 counts per minute. What is the half-life of the
radioisotope?
min
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