Express the Sum Using Summation Notation $$5 ^ { 2 } + 10 ^ { 3 } + 15 ^ { 4 } + \ldots + 40 ^ { 9 }$$

question 164

Multiple Choice

Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation.
- $$5 ^ { 2 } + 10 ^ { 3 } + 15 ^ { 4 } + \ldots + 40 ^ { 9 }$$

• A) \(\sum _ { \mathrm { i } = 1 } ^ { 8 } ( 5 \mathrm { i } ) ^ { \mathrm { i } + 1 }\)
• B) \(\sum _ { i = 1 } ^ { 8 } ( 5 i ) ^ { i }\)
• C) \(\sum _ { i = 1 } ^ { 8 } 2 ( i - 1 ) ^ { i + 1 }\)
• D) \(\sum _ { i = 1 } ^ { 8 } 5 i ^ { 2 i - 1 }\)