How many milligrams will remain after 25 hours?

Question

Hi all! I’m having so much trouble with this question. Please help!

A radioactive substance decays exponentially. A scientist begins with 160 milligrams of a radioactive substance. After 14 hours, 80 mg of the substance remains.

Mark M. · Accepted Answer

The half-life is 14 hoursA = 160(0.5)25/14A = 160(0.5)1.785714286A = 160(0.2900)A = 46.41

How many milligrams will remain after 25 hours?

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How many milligrams will remain after 25 hours?

1 Expert Answer

Still looking for help? Get the right answer, fast.

OR

RELATED TOPICS

RELATED QUESTIONS

graph, find x and y intercepts and test for symmetry x=y^3

-2x/x+6+5=-x/x+6

Find the mean and standard deviation for the random variable x given the following distribution

using interval notation to show intervals of increasing and decreasing and postive and negative

trouble spots for the domain may occur where the denominator is ? or where the expression under a square root symbol is negative

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