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Applying the division of 7 by 9, it is found that the smallest repeating block in the decimal expansion of 7/9 contains 1 digit.

The decimal expansion of 7/9 represents the division of 7 by 9.

  • The integer part is 0, as 7 < 9.
  • The decimal part is given by the result of 70 divided by 9, which is 7.7777....
  • The repeating block is 7777777....

As the only repeating digit is 1, it is found that the smallest repeating block in the decimal expansion of 7/9 contains 1 digit.

You can learn more about division at https://brainly.com/question/13150694

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