Answer :
You use the formula[tex] a^{b} * a^{c} = a^{b+c} [/tex]
[tex] 5^{-4} * 5^{-8} = 5^{-4+(-8)} = 5^{-8-4} = 5^{-12} [/tex]
The right answer is D. 5−12.
[tex] 5^{-4} * 5^{-8} = 5^{-4+(-8)} = 5^{-8-4} = 5^{-12} [/tex]
The right answer is D. 5−12.