1. Determine the approximate value of Attachment 16675
2. Evaluate Attachment 16676
3. Find the value of the 8th term of the series Attachment 16677 9(4)j - 6.
Q1 By definition: and you can go to a calculator and evaluate. Alternatively, if you've been taught about geometric series, you can use the usual formula to evaluate it (a = 3, r = 3, n = 7).
The other two are left for you to attempt. Please show what you have done. Say where you are stuck.