Radioactive gallium-67 decays by 1.48% every hour; there are 150 milligrams initially.
a) Find a formula for the amount of gallium-67 remaining after t hours.
my answer is 150(1.0148)^t but it says that it is wrong
use the radioactive decay formula
$\displaystyle P(t) = P_0e^{-rt}$
here, $\displaystyle P(t)$ is the amount remaining after time $\displaystyle t$, $\displaystyle r$ is the rate of decay (in decimal, you can find this from the decay percentage), and $\displaystyle P_0$ is the initial amount