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elena-14-01-66 [18.8K]
3 years ago
15

Change the subject of the formular to R

Mathematics
1 answer:
Dmitrij [34]3 years ago
5 0

Answer:

r=s-t ÷ 2

Step-by-step explanation:

r2=s-t

r2÷2= s-t ÷2

r=s-t ÷2

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2 years ago
226Ra has a half-life of 1599 years. How much is left after 1000 years if the initial amount was 10 g?
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