Answer:
Explanation:
half life = 1600 years .
m = M x [tex]( \frac{1}{2} )^n[/tex]
m is mass of the radioactive object after n half lives , M is original mass.
n = 4800 / 1600
= 4
Putting the valus of n and M we have
m = .25 x [tex]( \frac{1}{2} )^3[/tex]
= .03125 g .
