Use the Formula for the General Term of a Geometric $$\mathbf { a } _ { 1 }$$

Use the Formula for the General Term of a Geometric SequenceUse the formula for the general term (the nth term) of a geometric sequence to find the indicated term of the
sequence with the given first term, $$\mathbf { a } _ { 1 }$$ , and common ratio, r.
-Find a5 when $a _ { 1 } = 8 , r = - 5$ .

A) 5000
B) $- 25,000$
C) 625
D) $- 5000$