Math Problem Statement
Which statement is true about the value of the expression \( (5^{-1})^2 \)?
Solution
To solve the problem, we are analyzing the expression:
Step-by-step Solution:
-
Simplify : The negative exponent rule tells us: So, equals (since ).
-
Square : Now we square : In decimal form:
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Analyze the value :
- is positive.
- is greater than 0 but less than 1.
Correct Answer:
The statement that is true about the value of the expression is:
"It is between 0 and 1."
Do you want further clarification or additional examples? Let me know!
Here are 5 related questions to expand on this concept:
- What happens to a negative exponent when it is squared?
- What is the value of ?
- How does the negative exponent rule work for fractions?
- What is the result of ?
- How do we determine if a value is between -1 and 0?
Tip: A negative exponent means you are taking the reciprocal of the base, and squaring a small fraction always results in an even smaller positive value.
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Math Problem Analysis
Mathematical Concepts
Exponents
Negative Exponents
Simplification of Expressions
Squaring Fractions
Formulas
a^{-n} = 1 / a^n
\left(\frac{1}{a}\right)^2 = \frac{1}{a^2}
Theorems
Negative Exponent Rule
Laws of Exponents
Suitable Grade Level
Grades 6-8