a) 6
b) 48
Explanation:[tex]\text{Expession = 3.2}^t[/tex]
a) when t = 1
[tex]\begin{gathered} it\text{ becomes = 3}\times2^1 \\ =\text{ 3}\times2 \\ =6 \end{gathered}[/tex]
b) when t = 4
[tex]\begin{gathered} 3\times2^t\text{ = 3}\times2^4 \\ =\text{ 3}\times16 \\ =\text{ }48 \end{gathered}[/tex]
