How long will it take for 750 mg of a sample of radium-225, which has a half-life of about 15 days, to decay to 68 mg?
1 answer:
Answer:
52 Days
Step-by-step explanation:
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Answer: 7
Step-by-step explanation:
The answer is:
A) √2
Explanation:
2√3/ √6
=2/√2
= 2√2/√2√2
= 2√2/2
= √2
Hope it helps!
The answer is D)You Can draw straws 12 times with 12 long straws an 4 short straws.
Answer:
2x(3x-2)
Step-by-step explanation:
