Question

The number of grams A of a certain radioactive substance present at time, in years from...

The number of grams A of a certain radioactive substance present at time, in years from the present, t is given by the formula

A=45e^-0.0045t

What is initial amount of this substance

What is half-life of this substance

How much will be around in 2500 years

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Answer #1

the expontntt Nolo ac to 0.C93 t whtrt I > Numben rf Parthtle, left after Me LPaKficlej. R We eli 2 O. 00y5

hope this helps.

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