(aᵐ)ⁿ = aᵐⁿ: Error Analysis & Misconceptions

Mathematics
Grade 7
14 questions
~28 mins
1 views0 downloads

About This Worksheet

A worksheet focusing on understanding and correcting misconceptions related to the law (aᵐ)ⁿ = aᵐⁿ, including error analysis and reasoning.

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(aᵐ)ⁿ = aᵐⁿ: Error Analysis & Misconceptions

Subject: MathematicsGrade: Grade 7
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Untitled Worksheet

Grade Grade 7
A

Fluency & Practice

Answer all questions. Show your working in the grid spaces provided.
1.
Simplify the expression: (x³)⁴
[2 marks]
2.
Calculate the value of: (2²)³
[2 marks]
3.
Simplify: (5⁴)²
[2 marks]
4.
Express (x⁵)⁰ in simplified form.
[2 marks]
B

Problem Solving & Reasoning

Answer all questions with explanations where necessary.
1.
Explain whether the expression (a²)³ is equal to a⁶. Show your reasoning.
[3 marks]
2.
A cube has side length 3x. Write an expression for the volume of the cube using indices, and simplify using the law (aᵐ)ⁿ = aᵐⁿ.
[3 marks]
3.
If (a⁴)² = aᵧ, what is the value of y?
[2 marks]
4.
Identify and correct the mistake in simplifying (x⁵)² as x¹².
[3 marks]
C

Real-world Applications

Answer all questions based on the real-world scenario.
1.
A bacteria population doubles every hour. If the initial population is P, write an expression for the population after n hours, assuming the growth follows the law (aᵐ)ⁿ = aᵐⁿ. Simplify your expression.
[3 marks]
D

Challenge & Extension

Attempt these more difficult problems. Show your working.
1.
Prove that (a²)³ = a⁶ using the laws of indices, and discuss common misconceptions that might lead to errors.
[4 marks]
2.
Given that (x⁴)² = x⁸, find the value of n in the expression (x⁴)ⁿ that equals x¹².
[2 marks]
E

Mixed Review

Solve the variety of questions below.
1.
Simplify: (x⁶)⁰
[2 marks]
2.
Express the following as a single power: (3²)³
[2 marks]
3.
If (a³)² = a⁸, is this correct? Explain briefly.
[3 marks]

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Details

Created
1/1/2026
Updated
1/1/2026
Type
worksheet