Answer
Time Intervals: 4.2
Final Amount after $x$ time intervals: 1.9
Is your Final Amount Reasonable?: yes
Work Step by Step
Time intervals
500 years
119 years to a half life
$500/119$
$4.2$
Final amount
$35*.5^{4.2}$
$35*.05440$
$1.904$
$1.9$
