Which equations are true?

Answer:
B. D. E.
Step-by-step explanation:
A. False
[tex] {15}^{0} = 1[/tex]
B. True
[tex]( {8}^{3} )( {8}^{6} ) = {8}^{(3 + 6)} = {8}^{9} [/tex]
C. False
[tex] {5}^{2} = 25[/tex]
D. True
[tex]( {6}^{5} )^{3 } = {6}^{15} [/tex]
E. True
[tex] \frac{ {3}^{7} }{ {3}^{9} } = {3}^{(7 - 9)} = {3}^{ - 2} [/tex]