Please help! Thank you!!
For every integer K from 1 to 10, inclusive, the kth term of a certain sequence is given by (-1)^k+1 * (1/2^k). If T is the sum of the first 10 terms, then T is?
A. greater than 2
B. between 1 and 2
C. between 1/2 and 2
D. between 1/4 and 1/2
E. less than 1/4
Answer is D
For every integer K from 1 to 10, inclusive, the kth term of a certain sequence is given by (-1)^k+1 * (1/2^k). If T is the sum of the first 10 terms, then T is?
A. greater than 2
B. between 1 and 2
C. between 1/2 and 2
D. between 1/4 and 1/2
E. less than 1/4
Answer is D
