Answer:
Step-by-step explanation:
[tex](\frac{2}{5})} ^{x} * (\frac{2}{5})} ^{x} = (\frac{8}{125} ) ( \frac{8}{125} )[/tex]
[tex](\frac{2}{5} )^{2x} = (\frac{2}{5} )^{6}[/tex]
equate the powers we get
x = 3