- Thread starter
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- #1

My Effort:

The needed function is

a_n = a_1•r^(n-1), n is the 23rd term, r is the common ratio and a_1 is the initial value.

a_23 = 25•(1.8)^(23 - 1)

Is this correct?

- Thread starter RTCNTC
- Start date

- Thread starter
- Banned
- #1

My Effort:

The needed function is

a_n = a_1•r^(n-1), n is the 23rd term, r is the common ratio and a_1 is the initial value.

a_23 = 25•(1.8)^(23 - 1)

Is this correct?

- Mar 1, 2012

- 644

yes

- Thread starter
- Banned
- #3

- Jan 30, 2018

- 376