Use Summation Notation
-$$\sum _ { i = 1 } ^ { 4 } 2 ^ { i }$$
A) 30
B) 18
C) 14
D) 20

Name: Use Summation Notation -\[\sum _ { i = 1 } ^ { 4 } 2 ^ { i }\] A) 30 B) 18 C) 14 D) 20
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Question

Quizplus · Accepted Answer

The summation notation $\sum _ { i = 1 } ^ { 4 } 2 ^ { i }$ calculates the sum of $2^i$ for $i$ ranging from 1 to 4. Calculating each term gives $2^1 + 2^2 + 2^3 + 2^4 = 2 + 4 + 8 + 16 = 30$.

Use Summation Notation - ∑i=142i\sum _ { i = 1 } ^ { 4 } 2 ^ { i }i=1∑4​2i

Use Summation Notation
- $\sum _ { i = 1 } ^ { 4 } 2 ^ { i }$