Ten coins are tossed simultaneously. In how many of the outcomes will the first coin turn up a head? Choose the correct choice from the following choices:
A) 2^7
B) 2^10
C) 3 * 2^8
D) 2^9
E) 3 * 2^10
Fix the third coin as H. The remaining 9 coins have 2^9 outcomes.   Ans:2^9
<result>D</result>
Ten coins are tossed simultaneously. In how many of the outcomes will the first coin turn up a head?