Question

what is the fifth term of a geometric sequence if a1=7 and r=0.2

Answer 1

formula is \[\huge\rm a _{n} =a _{1} \times r^{n-1}\]

Answer 2

a1 first term
r = ratio which is .2
n = next term( term that you have to find )
so replace variables by their values

Answer 3

u have to find 5th term so replace n by 5

Answer 4

no i dont

Answer 5

what is a1 ?
and what is r in the question ?

Answer 6

a1 is 7 and r is 0.2

Answer 7

yes right so substitute 7 into a1 and .2 into r

Answer 8

thats how ou should replace