If we start with q_{0} milligrams of a certain element, the amount q remaining after t years is given by the formula

Take logarithms of both sides: ln(q) = ln(q_0) + (-t/1500)*ln(2).

(-t/1500)*ln(2) = ln(q) - ln(q_0);

t = 1500*[ln(q_0) - ln(q)]/ln(2).

thank you!!!

You are welcome.

Secure Information

Content will be erased after question is completed.

Enter the email address associated with your account, and we will email you a link to reset your password.

Forgot your password?

Sign Up