9000073401

SubArea: 
Infinite series
Level: 
B
Project ID: 
9000073401
Accepted: 
1
Clonable: 
0
Easy: 
0
In the following list identify the expression which equals 3.312―.
3.3+∑n=1∞12⋅10−2n−1
3+∑n=1∞312⋅10−2n−1
3+∑n=1∞312⋅10−3n
3.3+∑n=1∞12⋅10−3n