Answer:
2+10x-x^2, the last answer
Step-by-step explanation:
If this is multiple choice im gonna say C
Answer:
wrong it is 667.95
Step-by-step explanation:
Answer:
5859375
Step-by-step explanation:
These are the terms of a geometric sequence with n th term
=

where r is the common ratio and
the first term
here r =
=
=
= 5 and
= 3, hence
= 3 ×
= 5859375