Concept explainers
To find: How many times the volume of the small cube is the volume of the large cube.
What expression can you write for the volume of the small cube? For the volume of large cube.
What property of exponents can you use to simplify the volume of expressions.
Answer to Problem 52PPE
The second student is correct.
Explanation of Solution
Given information:
The given diagram:
Calculation:
The volume of a small cube
(Raise each factor to the second power)
(Simplify)
The volume of a large cube
(Raise each factor to the second power)
(Simplify)
Therefore,
(Simplify)
Hence,
8 times the volume of the small cube is the volume of the large cube.
Again,
The expression we can write for the volume of the small cube:
The expression we can write for the volume of the large cube:
Again,
The property of exponents can we use to simplify the volume of expression is:
Raise each factor to the second power and multiply the exponents of a power raised to a power.
Chapter 7 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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