Saved Bookmarks
| 1. |
Find the 10th term of the geometric sequence 10, -20, 40, ... |
|
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 |
|