Math project

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Across
  1. 2. If 5278 is squared, then what will be at unit place
  2. 3. A rational number can be represented as
  3. 5. Every rational number can be expressed as a ratio of two
  4. 6. How many rational numbers are there in between ¾ and 1
  5. 9. The square root of a perfect square is always a __________ number.
Down
  1. 1. Rational numbers include both __________ and their negatives.
  2. 3. The square of a negative number is always
  3. 4. The __________ of a rational number is the number that, when multiplied by the original number, results in one.
  4. 7. The multiplicative indentity of rational number is
  5. 8. How many natural numbers lie between 9 the power of 2 and 10 to the power of 2