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MathematicsGrade 8en

🔢 Scientific Notation and Powers of 10

This quiz covers converting between standard and scientific notation, understanding powers of 10, and performing calculations with exponential expressions. **What you'll learn:** - Convert numbers between standard form and scientific notation - Understand and apply positive and negative exponents - Calculate products and quotients using powers of 10 - Recognize scientific notation in real-world contexts - Compare and order numbers written in scientific notation

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Questions in this quiz

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  1. Question 1

    Which number is written in scientific notation?

  2. Question 2

    The number 3.2×1023.2 \times 10^2 written in standard form is ___.

  3. Question 3

    10−310^{-3} is equal to 0.001.

  4. Question 4

    Convert 0.00045 to scientific notation.

  5. Question 5

    Which value is the largest?

  6. Question 6

    (2 \times 10^3) \times (3 \times 10^2) = ___ \times 10^5

  7. Question 7

    The distance from Earth to the Sun is approximately 1.5×10111.5 \times 10^{11} meters. Which is closest to this distance?

  8. Question 8

    What is 8×1062×103\frac{8 \times 10^{6}}{2 \times 10^{3}}?

  9. Question 9

    The width of a human hair is approximately 7.5×10−57.5 \times 10^{-5} meters, which equals ___ millimeters.

  10. Question 10

    Which expression is NOT equal to 5×1045 \times 10^{4}?