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Is [tex]5\left(\frac{1}{5^3}\right)=5\left(5^3\right)[/tex]? Explain.

A. Yes; both expressions are equal to 625.

B. Yes; both expressions are equal to [tex]\frac{1}{25}[/tex].

C. No; the first expression is equal to [tex]\frac{1}{25}[/tex] and the second expression is equal to 625.

D. No; the first expression is equal to 625 and the second expression is equal to [tex]\frac{1}{25}[/tex].

Answer :

Sure! Let's break down the problem and find out whether the two expressions are equal or not.

We have two expressions to compare:

1. [tex]\(5 \left(\frac{1}{5^3}\right)\)[/tex]
2. [tex]\(5 \left(5^3\right)\)[/tex]

Calculating the first expression:

1. First, calculate [tex]\(5^3\)[/tex].
[tex]\[
5^3 = 5 \times 5 \times 5 = 125
\][/tex]

2. Next, find [tex]\(\frac{1}{5^3}\)[/tex].
[tex]\[
\frac{1}{5^3} = \frac{1}{125}
\][/tex]

3. Now, multiply this result by 5.
[tex]\[
5 \times \frac{1}{125} = \frac{5}{125} = \frac{1}{25} = 0.04
\][/tex]

The value of the first expression is [tex]\(0.04\)[/tex].

Calculating the second expression:

1. Again, calculate [tex]\(5^3\)[/tex].
[tex]\[
5^3 = 125
\][/tex]

2. Now, multiply this result by 5.
[tex]\[
5 \times 125 = 625
\][/tex]

The value of the second expression is [tex]\(625\)[/tex].

Comparison:

- The first expression evaluates to [tex]\(0.04\)[/tex].
- The second expression evaluates to [tex]\(625\)[/tex].

Clearly, [tex]\(0.04\)[/tex] is not equal to [tex]\(625\)[/tex].

Therefore, the correct answer is:

No; The first expression is equal to [tex]\(\frac{1}{25}\)[/tex] (or 0.04) and the second expression is equal to 625.

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