A new radioactive material was discovered, called algebranium (made-up term) that has a half-life of 42 years. You have 100 grams of it. State the expression for how much algebranium will be remaining after 'N' years.

A. 100(0.5)^42n
B. 100(0.05)^42/n
C. 100(0.5)^42/n
D. 100(0.5)^n/42

Explanations would be helpful!!!

THANK YOU SO MUCH!!! :DD

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