Step-by-step explanation:
You just find the L.C.M of the two numbers which is 12. So the correct answer is 12
A(n)=ar^(n-1) so
100=4r^9
25=r^9
ln25=9lnr
ln25/9=lnr
r=e^(ln25/9)
a(n)=4e^((n-1)(ln25/9) if you wanted an approximation...
a(n)=4(1.43^(n-1))
Mark me Brainly answer 2/5
Answer:
5
Step-by-step explanation:
