🤓 Based on our data, we think this question is relevant for Professor Hoeger's class at UCSD.
The half-life of nickel-63 is 85 years. How old is a painting with an activity that is 3.5% of the steady-state rate for Ni-63?
a. 0.027 yr
b. 3.0 yr
c. 410 yr
d. 2400 yr