Express the Sum Using Summation Notation $$3 + 12 + 27 + \ldots + 75$$

question 170

Multiple Choice

Express the sum using summation notation.
- $$3 + 12 + 27 + \ldots + 75$$

• A) \(\sum _ { \mathrm { k } = 1 } ^ { 5 } 3 ^ { 2 } \mathrm { k }\)
• B) \(\sum _ { \mathrm { k } = 0 } ^ { 5 } 3 \mathrm { k } ^ { 2 }\)
• C) \(\sum _ { k = 1 } ^ { 5 } k ^ { 2 }\)
• D) \(\sum _ { k = 1 } ^ { 5 } 3 k ^ { 2 }\)

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Definitions:

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The established amount of time required to perform a task, based on measurements of work performance, used for planning and payroll purposes.

Fair Day's Work

The expectation of a reasonable amount of work to be completed by an employee within a workday.

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A time study method where a timekeeping device is used to measure the time it takes for a worker to perform a set of tasks or operations.

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Timing a sample of a worker’s performance and using it as a basis for setting a standard time.