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Which choice is equivalent to the product below?

[tex]\[
\sqrt{2} \cdot \sqrt{10} \cdot \sqrt{5}
\][/tex]

A. [tex]\(2 \sqrt{50}\)[/tex]

B. 10

C. [tex]\(4 \sqrt{25}\)[/tex]

D. [tex]\(5 \sqrt{2}\)[/tex]


Sagot :

Let's start by rewriting the given expression in a simpler form:

[tex]\[ \sqrt{2} \cdot \sqrt{10} \cdot \sqrt{5} \][/tex]

Using the property of square roots that [tex]\(\sqrt{a} \cdot \sqrt{b} = \sqrt{a \cdot b}\)[/tex], we can combine the square roots:

[tex]\[ \sqrt{2} \cdot \sqrt{10} \cdot \sqrt{5} = \sqrt{2 \cdot 10 \cdot 5} \][/tex]

Now let's multiply the numbers inside the square root:

[tex]\[ 2 \cdot 10 \cdot 5 = 100 \][/tex]

So, we have:

[tex]\[ \sqrt{2 \cdot 10 \cdot 5} = \sqrt{100} \][/tex]

The square root of 100 is:

[tex]\[ \sqrt{100} = 10 \][/tex]

Therefore, the product [tex]\(\sqrt{2} \cdot \sqrt{10} \cdot \sqrt{5}\)[/tex] simplifies to 10.

Among the given choices:
A. [tex]\(2 \sqrt{50}\)[/tex]
B. 10
C. [tex]\(4 \sqrt{25}\)[/tex]
D. [tex]\(5 \sqrt{2}\)[/tex]

The correct choice is B:

[tex]\[ 10 \][/tex]