Use the Formula For $$\mathrm { S } _ { \mathbf { n } }$$

question 115

Multiple Choice

Use the formula for $$\mathrm { S } _ { \mathbf { n } }$$ to find the sum of the first five terms of the geometric sequence.
- $\mathrm { a } _ { 1 } = - 1.499 , \mathrm { r } = 1.678$ (Round to the nearest hundredth)

• A) \(10.99\)
• B) \(18.15\)
• C) \(- 27.20\)
• D) \(- 15.32\)

---

Definitions:

pH

A measure of the acidity or alkalinity of an aqueous solution, ranging from 0 to 14.

Half-Life

The time required for a quantity to reduce to half its initial value, often used in physics and chemistry to describe radioactive decay.

Radioactive Plutonium

A highly radioactive chemical element with the symbol Pu and atomic number 94, used as a fuel in nuclear reactors and in the production of nuclear weapons.

Capital Project

A long-term, capital-intensive investment project with a purpose to build upon, add to, or improve a capital asset.