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Which repeating decimal is equal in value to the fraction below?

[tex]\[ \frac{7}{9} \][/tex]

A. [tex]\(0.5555555 \ldots\)[/tex]

B. [tex]\(0.7777777 \ldots\)[/tex]

C. [tex]\(0.8888888 \ldots\)[/tex]


Sagot :

To determine which repeating decimal is equal in value to the fraction [tex]\(\frac{7}{9}\)[/tex], let's start by understanding what [tex]\(\frac{7}{9}\)[/tex] is in decimal form.

First, we divide 7 by 9. Performing long division, we get:

1. [tex]\( 7 \div 9 = 0.7777777 \ldots \)[/tex]

This means the decimal form of the fraction [tex]\(\frac{7}{9}\)[/tex] is [tex]\(0.\overline{7}\)[/tex], which repeats indefinitely.

Next, let's compare this repeating decimal with the choices provided:

- A. [tex]\(0.5555555 \ldots\)[/tex] (Repeats with 5)
- B. [tex]\(0.7777777 \ldots\)[/tex] (Repeats with 7)
- C. [tex]\(0.8888888 \ldots\)[/tex] (Repeats with 8)

From our division, we found that [tex]\(\frac{7}{9} = 0.7777777 \ldots\)[/tex].

Therefore, the repeating decimal equal to [tex]\(\frac{7}{9}\)[/tex] is:

B. [tex]\(0.7777777 \ldots\)[/tex]
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