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Which expression is equivalent to (5 superscript negative 2 baseline) (5 superscript negative 1 baseline)? negative startfraction 1 over 125 endfraction negative one-fifth startfraction 1 over 125 endfraction one-fifth

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Looking at the nature of the expression as written in the question we have; [tex]5^{-3} = \frac{1}{125}[/tex].

What is index?

The term index the term index refers to the power to which a number is raised. In this case, we can see that the number 5 is raised to the power of negative 2 and negative 1 respectively.

We can write it mathematically as;

[tex]5^{-2} * 5^{-2}[/tex] = [tex]5^{-3}[/tex]

We can now write this value as;

[tex]5^{-3} = \frac{1}{125}[/tex]

Learn more about index:https://brainly.com/question/14297987

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