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7nadin3 [17]
3 years ago
8

Explain how to find the square root of 100. Explain why you use the underlined + sign.

Mathematics
2 answers:
Veronika [31]3 years ago
8 0

Answer:

10

Step-by-step explanation:

Factor the number: 100 = 10^{2}

=\sqrt{10^2}

Apply radical rule: \sqrt[n]{a^n} =a

\sqrt{10^2} =10

=10

finlep [7]3 years ago
7 0

Answer:

±10

Step-by-step explanation:

so what squared is 100?

10. but also -10.

10*10 = 100, and -10*-10 is also 100.

therefore, sqrt(100) has two solutions, which are positive or negative 10, and that's the application of ±.

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