**Mathematics Problem** **Question 17:** Given that \( a = 4b^3 \) and \( c = 5a^2b^4 \), demonstrate that \( c = 80b^{10} \). **Question 19:** Simplify the expression \[ \frac{3x^{-1}y^5}{(2x^2y^{-2})^{-2}} \] Provide a step-by-step simplification and explanation of the expression.

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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**Mathematics Problem**

**Question 17:**
Given that \( a = 4b^3 \) and \( c = 5a^2b^4 \), demonstrate that \( c = 80b^{10} \).

**Question 19:**
Simplify the expression 

\[
\frac{3x^{-1}y^5}{(2x^2y^{-2})^{-2}}
\]

Provide a step-by-step simplification and explanation of the expression.
Transcribed Image Text:**Mathematics Problem** **Question 17:** Given that \( a = 4b^3 \) and \( c = 5a^2b^4 \), demonstrate that \( c = 80b^{10} \). **Question 19:** Simplify the expression \[ \frac{3x^{-1}y^5}{(2x^2y^{-2})^{-2}} \] Provide a step-by-step simplification and explanation of the expression.
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