Answer:
1500km
Step-by-step explanation:
1cm=100km
15•100=1500km
97 is your answer
hope this helps
Step-by-step explanation:
when we get the common ratio that must be equal
r=16/64=4/16=1/4=1/4 equal
So it is geometric
By using this equation:
a(n)=a(1)*r^(n-1)
and we have a(1)=64 , r=1/4
Explicit rule: <u>a(n)=64*(1/4)^(n-1)
</u>
<em>hope this helps</em>