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guhs tahank u smuch for helpn me with siiting glass i gat so mhych trooble doign htat but now m teacher mr dwenble is pis.sed bc i used brasnby and isi makin me do mor work so can ju al hekp me witc my test rn i nede hlp its bage sevendy ate:

Caac radium-226, a common caac isotope of radium, has a caac half-life of 1,620 caac years.
How many caac grams of a 120-caac gram sample will remain after t caac years?

Which equation can you use to solve this problem?

After 100 years, about

grams of the sample will remain.



also here my teachr:

guhs tahank u smuch for helpn me with siiting glass i gat so mhych trooble doign htat but now m teacher mr dwenble is pissed bc i used brasnby and isi makin me class=

Respuesta :

Establishment

Answer:

C

115

Explanation:

I am SURE I am correct in this please inform me if I make a mistake but I only answer when I’m SURE UNLIKE SOME PEOPLE DAG.

breathingforward

Answer:

C, P(t)=120(1/2)^t/1620

The answer for the follow-up question is 115.

Explanation:

After 100 years, about  ✔ 115  grams of the sample will remain. This is the answer. The equation is P(t)=120(1/2)^t/1620.

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