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

question 71

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

---

Definitions:

Unauthorized Signatures

Signatures made without the express permission or authority of the person whose signature is required or expected.

Customer Signatures

Signatures of customers, typically collected for verification purposes, authorization, or agreement to terms and conditions.

Recredited Account

Refers to a financial account that has had funds added back, usually following a return or correction of a previous transaction error.

Customer's Death

refers to the event of a customer dying, potentially affecting their ongoing contracts and the legal obligations or rights of the entities they were engaged with.