Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Evaluate
∑
k
=
1
8
(
5
⋅
2
k
−
1
+
4
k
−
3
)
\displaystyle \sum_{k=1}^{8}\bigl(5\cdot 2^{k-1}+4k-3\bigr)
k
=
1
∑
8
(
5
⋅
2
k
−
1
+
4
k
−
3
)
. a)
1443
1443
1443
b)
1395
1395
1395
c)
1507
1507
1507
d)
1419
1419
1419
Browse the problem library