1.

Find the 10th term of the geometric sequence 10, -20, 40, ...

Answer»

ANSWER:

a=10

R= -20/10=-2

G10=ar^9=10*-2^9=-5120

Step-by-step explanation:

as always the first term is a and the r is common ratio of second term to first term

and the FORMULA for FINDING the terms are generally is (ar^n-1) where the n is the term to be find by US



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