Answer:
Radioactive in half life is 51gram
Step-by-step explanation:
80grams:12years
X :7.6years
12x÷x=x
7.6×80÷12=51gram
Answer:
First one I think. I hope this helps.
Step-by-step explanation:
Just convert the fractions into decimals. You can use a calculator.
Answer:
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Step-by-step explanation:
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If each of them got 1/3 of the deck then they would each get 7 cards