Find the Sum Using the Formulas for the Sums of Powers

question 79

Multiple Choice

Find the sum using the formulas for the sums of powers of integers. $\sum _ { n = 1 } ^ { 22 } \left( n ^ { 3 } - n \right)$

• A)22,770
• B)3,795
• C)63,756
• D)256,036
• E)64,009

Understand the factors that do not contribute to memory changes in middle childhood.

Recognize how language and cultural differences impact memory capacity and processing efficiency.

Identify and categorize memory strategies used by children to enhance recall.

Understand the relationship between knowledge base and memory recall performance.

---

Definitions:

Monthly Dollar Sales

The total value of all sales made within a month, expressed in dollars.

Variable Expenses

Costs that fluctuate with the level of output or sales, such as materials and labor.

Fixed Expenses

Fixed expenses are costs that do not fluctuate with changes in production level or sales volume, including lease payments and insurance.

Volume

The number of units of a product or service sold or produced.