Answer:
[tex]6^{21}[/tex]
Simplified is [tex]2.193695064*10^{16}[/tex]
I don't know if A is supposed to [tex]6^{21}[/tex]
Step-by-step explanation:
You have to use the Power rule: [tex](x^a)^b=x^{ab}[/tex]
So [tex](6^7)^3=6^{7(3)}[/tex]
[tex]6^{21}[/tex]
Simplified is [tex]2.193695064*10^{16}[/tex]
