Approximate the Number Using a Calculator $S = A \left( \frac { ( 1 + r ) ^ { t + 1 } - 1 } { r } \right)$

question 70

Multiple Choice

Approximate the number using a calculator. Round your answer to three decimal places.
-The formula $S = A \left( \frac { ( 1 + r ) ^ { t + 1 } - 1 } { r } \right)$ models the value of a retirement account, where $A =$ the number of dollars added to the retirement account each year, $\mathrm { r } =$ the annual interest rate, and $\mathrm { S } =$ the value of the retirement account after t years. If the interest rate is $6 \%$ , how much will the account be worth after 15 years if $\$ 400$ is added each year? Round to the nearest whole number.

• A) \(\$ 10,269\)
• B) \(\$ 999\)
• C) \(\$ 6400\)
• D) \(\$ 15,338\)

---

Definitions:

Rumor Mill

The rumor mill refers to the informal transmission of unverified information or gossip, often spreading quickly through a community or organization.

Formal Communication Network

The officially sanctioned channels for information and message flow within an organization.

Communication Path

The route through which a message travels from sender to receiver, which can be direct or indirect.

Leadership

The ability to guide, influence, or direct a group towards achieving a common goal.