ciya12
04.11.2020 •
Mathematics
Radon-222 decays at a continuous rate of 17.3% per day. If you start with 100mg if Radon-222, how much will you have in 3 days
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Ответ:
1 8
-- · -- = 1
8 1
1 15 15
-- · -- = --
8 1 8
x + 15/8 = 24
- 15/8 -15/8
x=22.125