Exponential Form of Numbers in 2023-24 Rationalised
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Questions and Answers

Which of the following is the standard form of 70,040,000,000?

  • $7.04 \times 10^{10}$
  • $7.004 \times 10^{10}$ (correct)
  • $7.04 \times 10^9$
  • $7.004 \times 10^9$

    • Express 1,400,000,000 in standard form.

  • $1.4 \times 10^8$
  • $1.4 \times 10^9$
  • $1.4 \times 10^{10}$ (correct)
  • $1.4 \times 10^{11}$

    • What is the exponential form of 128?

  • $5^3$
  • $4^4$
  • $3^5$
  • $2^7$ (correct)

    • What is the distance of the Sun from the centre of the Milky Way Galaxy expressed in standard form?

    <p>$3 \times 10^{21}$ m</p> Signup and view all the answers

    If the population of India was about 1,027,000,000, how is this number written in standard form?

    <p>$1.027 \times 10^9$</p> Signup and view all the answers

    The universe is estimated to be about 12,000,000,000 years old. What is this number in standard form?

    <p>$1.2 \times 10^{11}$ years</p> Signup and view all the answers

    Express the distance between Earth and Moon (384,000,000 m) in standard form.

    <p>$3.84 \times 10^8$ m</p> Signup and view all the answers

    If the speed of light in vacuum is 300,000,000 m/s, what is this number in standard form?

    <p>$3 \times 10^8$ m/s</p> Signup and view all the answers

    What is the exponential form of 243?

    <p>$3^5$</p> Signup and view all the answers

    Express $5,00,00,000$ in standard form.

    <p>$5 \times 10^8$</p> Signup and view all the answers

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