An exponential graph showing population ($y$) growing over time ($t$) has the equation $y = 5a^t$. When $t = 2, y = 20$, what is the value of $a$?

An exponential graph showing population ($y$) growing over time ($t$) has the equation $y = 7a^t$. When $t = 2, y = 448$, what is the value of $a$?

An exponential graph showing population ($y$) growing over time ($t$) has the equation $y = 400a^t$. When $t = 2, y = 57600$, what is the value of $a$?

An exponential graph showing population ($y$) growing over time ($t$) has the equation $y = 6a^t$. When $t = 2, y = 1536$, what is the value of $a$?

An exponential graph showing population ($y$) growing over time ($t$) has the equation $y = 2a^t$. When $t = 2, y = 800$, what is the value of $a$?

An exponential graph showing population ($y$) growing over time ($t$) has the equation $y = 9a^t$. When $t = 2, y = 900$, what is the value of $a$?

An exponential graph showing population ($y$) growing over time ($t$) has the equation $y = 14a^t$. When $t = 2, y = 12600$, what is the value of $a$?

An exponential graph showing population ($y$) growing over time ($t$) has the equation $y = 1a^t$. When $t = 2, y = 0.25$, what is the value of $a$?

An exponential graph showing population ($y$) growing over time ($t$) has the equation $y = 50a^t$. When $t = 2, y = 24200$, what is the value of $a$?

An exponential graph showing population ($y$) growing over time ($t$) has the equation $y = 10a^t$. When $t = 2, y = 250$, what is the value of $a$?

An exponential graph showing population ($y$) growing over time ($t$) has the equation $y = 25a^t$. When $t = 2, y = 25$, what is the value of $a$?

An exponential graph showing population ($y$) growing over time ($t$) has the equation $y = 100a^t$. When $t = 2, y = 270400$, what is the value of $a$?

An exponential graph showing population ($y$) growing over time ($t$) has the equation $y = 44a^t$. When $t = 2, y = 27500$, what is the value of $a$?

An exponential graph showing population ($y$) growing over time ($t$) has the equation $y = 20a^t$. When $t = 2, y = 320$, what is the value of $a$?

An exponential graph showing population ($y$) growing over time ($t$) has the equation $y = 18a^t$. When $t = 2, y = 180000$, what is the value of $a$?

An exponential graph showing population ($y$) growing over time ($t$) has the equation $y = 35a^t$. When $t = 2, y = 143360$, what is the value of $a$?

An exponential graph showing population ($y$) growing over time ($t$) has the equation $y = 80a^t$. When $t = 2, y = 25920$, what is the value of $a$?

An exponential graph showing population ($y$) growing over time ($t$) has the equation $y = 300a^t$. When $t = 2, y = 720300$, what is the value of $a$?

An exponential graph showing population ($y$) growing over time ($t$) has the equation $y = 15a^t$. When $t = 2, y = 0.6$, what is the value of $a$?

An exponential graph showing population ($y$) growing over time ($t$) has the equation $y = 135a^t$. When $t = 2, y = 759375$, what is the value of $a$?

An exponential graph showing population ($y$) growing over time ($t$) has the equation $y = 4a^t$. When $t = 2, y = 144$, what is the value of $a$?

An exponential graph showing population ($y$) growing over time ($t$) has the equation $y = 70a^t$. When $t = 2, y = 235480$, what is the value of $a$?

An exponential graph showing population ($y$) growing over time ($t$) has the equation $y = 75a^t$. When $t = 2, y = 4.6875$, what is the value of $a$?

An exponential graph showing population ($y$) growing over time ($t$) has the equation $y = 38a^t$. When $t = 2, y = 76950$, what is the value of $a$?

An exponential graph showing population ($y$) growing over time ($t$) has the equation $y = 8a^t$. When $t = 2, y = 128$, what is the value of $a$?