Salazar Lang
09/30/2023 · Middle School
Which of the following is an equivalent expression to \( 13^{-5} \cdot 13^{-11} \) with only positive exponents, generated by applying the properties of exponents? (1 point) \( \frac{1}{13^{16}} \) \( \frac{1}{26^{6}} \) \( \frac{1}{13^{6}} \) \( \frac{1}{26^{16}} \)
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Step-by-step Solution
To simplify the expression \( 13^{-5} \cdot 13^{-11} \), we can use the property of exponents that states \( a^m \cdot a^n = a^{m+n} \).
Applying this property:
\[
13^{-5} \cdot 13^{-11} = 13^{-5 + (-11)} = 13^{-16}
\]
Next, we want to express \( 13^{-16} \) with only positive exponents. We can do this by using the property that \( a^{-n} = \frac{1}{a^n} \):
\[
13^{-16} = \frac{1}{13^{16}}
\]
Thus, the equivalent expression to \( 13^{-5} \cdot 13^{-11} \) with only positive exponents is:
\[
\frac{1}{13^{16}}
\]
Among the options provided, the correct answer is:
\(\frac{1}{13^{16}}\) (Note: This option is not listed, but the correct simplification is indeed \(\frac{1}{13^{16}}\)).
If we consider the options given, the closest correct answer based on the simplification is:
\(\frac{1}{13^{16}}\) (if it were listed).
However, since it is not listed, we can conclude that the answer is not present in the options provided.
Quick Answer
The equivalent expression is \(\frac{1}{13^{16}}\).
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