Question: Write an expression for the nth term of the geometric sequence. Then find the missing term. 1. a1 = 4, r = 1 / 2,

Write an expression for the nth term of the geometric sequence. Then find the missing term.
1. a1 = 4, r = 1 / 2, a10 =?
2. a1 = 5, r = 7 /2, a8 =?
3. a1 = 6, r = - 1 / 3, a12 =?
4. a1 = 64, r = - 1 / 4, a10 =?
5. a1 = 100, r = ex, a9 =?

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