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lukranit [14]
3 years ago
6

Find the value of x .

Mathematics
1 answer:
uranmaximum [27]3 years ago
3 0

Answer:

I hope answer is 40

I hope I my true

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The half-life of radioactive cobalt is 5.27 years. Suppose that a nuclear accident has left the level of cobalt radiation in a c
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Step-by-step explanation:

The proportion p that remains after y years is ...

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In order for 1/100 to remain (the level decays from 100 times to 1 times), we have ...

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