Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Convert 5000 to scientific notation.
💡 Hint: Remember to move the decimal back three places.
Question 2
Easy
Express the number 0.00456 in scientific notation.
💡 Hint: Move the decimal to the right count how many positions.
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Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the primary purpose of scientific notation?
- To write numbers in fractions
- To express very large or small numbers clearly
- To represent numbers with addition and subtraction
💡 Hint: Consider the scale of numbers you usually see in science.
Question 2
True or False: In scientific notation, the mantissa must always be less than 1.
- True
- False
💡 Hint: Recall the definition of mantissa.
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Challenge Problems
Push your limits with challenges.
Question 1
Convert the number 0.000123456 to scientific notation, explaining the steps involved.
💡 Hint: Count how many places the decimal moves to the right.
Question 2
A researcher recorded a measurement as 5.600 × 10^3. If they want to express this with two significant figures, what should it be?
💡 Hint: Understand the rounding rules for significant figures.
Challenge and get performance evaluation