Answer:
[tex] {3}^{2h - 1} = {3}^{6} \times {3}^{3} \\ {3}^{2h - 1} = {3}^{9} \\ so...... \\ 2h - 1 = 9 \\ 2h = 10 \\ h = \frac{10}{2} = 5[/tex]