Use the Formula for the General Term (The Nth Term) $\mathrm { a } _ { 1 } = 4 , \mathrm { r } = 2$

question 181

Multiple Choice

Use 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, a1, and common ratio, r.
-Find a 9 when $\mathrm { a } _ { 1 } = 4 , \mathrm { r } = 2$ .

• A) 1024
• B) 27
• C) 2048
• D) 1028

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