1. Select the equivalent expression. 3-5

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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**Educational Resource: Understanding Equivalent Expressions in Mathematics**

### Question:

**1. Select the equivalent expression.**

Given expression \( 3^{-5} \):

Options:
- A. \( (-3)^5 \)
- B. \( \frac{1}{3^5} \)
- C. \( -15 \)

*[The question is sourced from a Google Forms quiz titled "Mod 5 Accelerated 2 - Common Assessment 4A." The date of the quiz is June 7, 2021.]*

---

### Explanation of Equivalent Expressions

When dealing with exponential expressions, understanding how to simplify and find equivalent forms is crucial. 

- The given expression \( 3^{-5} \) represents \( \frac{1}{3^5} \). This transformation leverages the property that \( a^{-b} \) equals \( \frac{1}{a^b} \).
- Option A, \( (-3)^5 \), is not equivalent because it’s \( -3 \) raised to the power of 5, resulting in a negative number raised to an odd power.
- Option C, \( -15 \), is a whole number and unrelated to the given expression.

So, the correct equivalent expression for \( 3^{-5} \) is **\( \frac{1}{3^5} \)**, matching option B.

### Diagram Description

There are no graphs or diagrams associated with this particular question.

---

**End of Resource.**
Transcribed Image Text:--- **Educational Resource: Understanding Equivalent Expressions in Mathematics** ### Question: **1. Select the equivalent expression.** Given expression \( 3^{-5} \): Options: - A. \( (-3)^5 \) - B. \( \frac{1}{3^5} \) - C. \( -15 \) *[The question is sourced from a Google Forms quiz titled "Mod 5 Accelerated 2 - Common Assessment 4A." The date of the quiz is June 7, 2021.]* --- ### Explanation of Equivalent Expressions When dealing with exponential expressions, understanding how to simplify and find equivalent forms is crucial. - The given expression \( 3^{-5} \) represents \( \frac{1}{3^5} \). This transformation leverages the property that \( a^{-b} \) equals \( \frac{1}{a^b} \). - Option A, \( (-3)^5 \), is not equivalent because it’s \( -3 \) raised to the power of 5, resulting in a negative number raised to an odd power. - Option C, \( -15 \), is a whole number and unrelated to the given expression. So, the correct equivalent expression for \( 3^{-5} \) is **\( \frac{1}{3^5} \)**, matching option B. ### Diagram Description There are no graphs or diagrams associated with this particular question. --- **End of Resource.**
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