you need to supply some numbers and a formula, doncha think?
I'm sure you can plug in your numbers, since you have the formula, and what it must equal. I mean, you're not in Algebra I any more.
Suppose a radioactive substance decays according to the equation where
represent the mass in grams after hours. Assume that the half-life of radium is 1600 years. If milligrams of radium are initially present, write the formula for the number of milligrams present after years.
1 answer
1 answer