选择题
2013 AMC 8 Problem 9: Hulk Jump Sequence
The Incredible Hulk can double the distance he jumps with each succeeding jump. If his first jump is 1 meter, the second jump is 2 meters, the third jump is 4 meters, and so on, then on which jump will he first be able to jump more than 1 kilometer (1000 meters)?
2013 AMC 8 第9题 ：绿巨人跳跃序列
超能浩克可以在每次成功跳跃时将跳跃距离增加一倍。如果他的第一次跳跃是1米，第二次跳跃是2米，第三次跳跃是4米，以此类推，那么他首先能够在哪个跳跃上跳跃超过1公里（ 1000米） ？
A.
9th
B.
10th
C.
11th
D.
12th
E.
13th