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Mathematics
Mathematics
Problem
The series
3
+
6
+
12
+
24
+
⋯
+
192
3 + 6 + 12 + 24 + \cdots + 192
3
+
6
+
12
+
24
+
⋯
+
192
is represented by which sigma notation? a)
∑
k
=
1
6
3
⋅
2
k
\displaystyle\sum_{k=1}^{6} 3\cdot 2^{k}
k
=
1
∑
6
3
⋅
2
k
b)
∑
k
=
0
5
3
⋅
2
k
\displaystyle\sum_{k=0}^{5} 3\cdot 2^{k}
k
=
0
∑
5
3
⋅
2
k
c)
∑
k
=
0
6
3
⋅
2
k
\displaystyle\sum_{k=0}^{6} 3\cdot 2^{k}
k
=
0
∑
6
3
⋅
2
k
d)
∑
k
=
1
6
3
⋅
2
k
−
1
\displaystyle\sum_{k=1}^{6} 3\cdot 2^{k-1}
k
=
1
∑
6
3
⋅
2
k
−
1
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