# Question #70b92

This is an exponential growth problem. We can substitute the value of $t$ in the decay function and easily solve for $Q \left(t\right)$.
So $Q \left(t\right) = 1000 \cdot {e}^{0.4 \cdot 2}$
$\implies Q \left(t\right) = 1000 \cdot {e}^{0.8} = 2225.54$