Grade 8 Number Forms Worksheet
Explore different forms of numbers including standard, expanded, scientific notation, and fractions with this Grade 8 math worksheet.
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Grade 8 Number Forms Review
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Read each question carefully and answer in the space provided. Show all your work for full credit.
1. Write the number 7,450,203 in expanded form:
2. Write the number (5 × 10^5) + (2 × 10^3) + (8 × 10^1) + (1 × 10^0) in standard form:
3. Which of the following numbers is expressed in scientific notation?
12.3 × 10^4
0.5 × 10^-2
7.89 × 10^6
98.7 × 10^1
4. The average distance from Earth to the Moon is approximately 384,400,000 meters. Express this distance in scientific notation.
3.844 × 10^5 m
3.844 × 10^8 m
38.44 × 10^7 m
0.3844 × 10^9 m
5. Convert 6.02 × 10^-3 to standard form.
6. Convert 0.0000045 to scientific notation.
7. The number 5,600,000 written in scientific notation is 5.6 × 10^6.
True
False
8. The value of 10^-2 is 0.01.
True
False
9. Plot the number 1.5 × 10^1 on the number line below.
10. The mass of a hydrogen atom is approximately 1.67 × 10^-27 kg. The mass of an oxygen atom is approximately 2.66 × 10^-26 kg. Which atom has a greater mass? Explain your reasoning.
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