Practice Use of Exponents to Express Small Numbers in Standard Form - 10.4 | 10. Exponents and Powers | CBSE 8 Mathematics
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10.4 - Use of Exponents to Express Small Numbers in Standard Form

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Convert 0.000000564 to standard form.

πŸ’‘ Hint: Count how many places you move the decimal to the right.

Question 2

Easy

Convert 0.0000021 to standard form.

πŸ’‘ Hint: The first non-zero digit is 2.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is 0.000007 in standard form?

  • 7 Γ— 10^{-6}
  • 7 Γ— 10^{6}
  • 0.7 Γ— 10^{-5}

πŸ’‘ Hint: Count the places moved to the right.

Question 2

True or False: A negative exponent indicates a number greater than one.

  • True
  • False

πŸ’‘ Hint: Recall the role of negative exponents.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

If 0.0000000000085 is expressed in standard form, what form does it take, and how many places is the decimal moved?

πŸ’‘ Hint: Count how many spaces you shift to the right.

Question 2

Express the total mass of (5.97 Γ— 10^{24}) + (7.35 Γ— 10^{22}) showing all steps.

πŸ’‘ Hint: Focus on adjusting the exponents first for easier addition.

Challenge and get performance evaluation