Answer:
6^3 = 216 ( to the power of three )
<h2>Hey there! </h2>
<h2>The Reciprocal of 159 is:</h2>
<h2>Hope it help you </h2>
The toy rocket hits the ground when h(t) = 0.
So, h(t) = 0 = -9t^2 + 81.
Solving the equation,
-9t^2 = -81
Dividing by -9
t^2 = 9
Taking the square root.
t = 3
The answer is 3 seconds.
