Number 1: Properties and Symbolism
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Number 1: Properties and Symbolism

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Questions and Answers

What is the multiplicative identity for any number?

  • -1
  • 2
  • 0
  • 1 (correct)
  • What does the additive absorption element do to a number?

  • Leaves the number unchanged (correct)
  • Doubles the number
  • Increases the number by 1
  • Decreases the number by 1
  • What is the symbol for the number 1?

  • \
  • ۱ (correct)
  • -
  • /
  • In Roman numerals, what letter represents the number 1?

    <p>I</p> Signup and view all the answers

    What does the number 1 often symbolize in many cultures?

    <p>Unity, individuality, and beginnings</p> Signup and view all the answers

    Study Notes

    Number 1

    • The number 1 is a numerical value that represents a single unit or quantity.
    • It is the first positive integer and the multiplicative identity.
    • In mathematics, 1 is a fundamental number used as a placeholder, a scaling factor, and a reference point for ratios and proportions.

    Properties of 1

    • Multiplicative identity: 1 is the identity element for multiplication, meaning that any number multiplied by 1 remains unchanged (e.g., 5 × 1 = 5).
    • Additive absorption: 1 is the additive absorption element, meaning that any number added to 1 results in the original number (e.g., 5 + 1 - 1 = 5).

    Symbolism and Representation

    • The symbol for the number 1 is a single stroke or vertical line: ۱.
    • In Roman numerals, the number 1 is represented by the letter I.
    • In many cultures, the number 1 is considered a symbol of unity, individuality, and beginnings.

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    Description

    Learn about the fundamental properties of the number 1, including its role as a multiplicative identity and additive absorption element, as well as its cultural significance and symbolism.

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