contestada

I NEED HELP YOU WILL GET BRIANLIST
I’m so confused on how you get the final answer can anybody please help me.

an=a1 (r) n-1
a10=4•(3) 10-1
a10=4•3.9
How do you get this big number from 19,683
a10= 4•19,683
a10= 78,732

I NEED HELP YOU WILL GET BRIANLIST Im so confused on how you get the final answer can anybody please help me ana1 r n1 a1043 101 a10439 How do you get this big class=