Question

Consider that an = 4n-1 represents a sequence. what is the tenth term?n-1 is a exponent

Answer 1

Geometric sequence since exponent
$a_n=a_1r^{n-1}$
a1=firs term
r=common ratio
n=which term

no first term given, or is there?
4^(n-1), first term is 1, common ratio is 4

just plug in 10 for n
$a_{10}=(1)4^{10-1}$
$a_{10}=4^{9}$
$a_{10}=4^{9}$
$a_{10}=262144$
tenth term is 262144