3 The first term of an infinite geometric series is 48 . The common ratio of the series is 0.6 .
- Find the third term of the series.
- Find the sum to infinity of the series.
- The \(n\)th term of the series is \(u _ { n }\). Find the value of \(\sum _ { n = 4 } ^ { \infty } u _ { n }\).