Question

What goes in the green box? Thank you :)

Answer 1

The green box would be
`(1)/(8)`.

Explanation:

`(1)/(2^(3)) = (1)/(8)`

Answer 2

Explanation:

R.A. = 50(1 - .5)^3

your question askes for the decay factor "green box"

that number is 1/2 (.5)