Question

question 1
2.3 pts
if 3.3 half-lives have passed by and the length of one half-life is 50 million years, how much time has passed? (show your work!)

Explanation:

Step1: Identify the formula

To find the total time passed, we multiply the number of half - lives by the length of one half - life. The formula is \(t = n\times t_{1/2}\), where \(t\) is the total time passed, \(n\) is the number of half - lives, and \(t_{1/2}\) is the length of one half - life.

Step2: Substitute the values

We know that \(n = 3.3\) and \(t_{1/2}=50\) million years. Substituting these values into the formula, we get \(t=3.3\times50\) million years.

Step3: Calculate the result

\(3.3\times50 = 165\) million years.

Answer:

The time that has passed is 165 million years.