3. (a) Find the first 4 terms of the expansion of \(\left( 1 + \frac { x } { 2 } \right) ^ { 10 }\) in ascending powers of \(x\), giving
each term in its simplest form. each term in its simplest form.
(b) Use your expansion to estimate the value of \(( 1.005 ) ^ { 10 }\), giving your answer to 5 decimal places.