Compare real quantities in scientific notation
8th grade (Year 9 in England) · 16 questions · Common Core: 8.EE.A.3, 8.EE.A.4 · England: KS3 Number, GCSE Foundation Number
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Question 1
Two cities have populations 1.8 × 10⁶ and 2.5 × 10⁶. What is their total population, in scientific notation?
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Question 2
How many times heavier or larger is an elephant (about 6 × 10³ kg) than a mouse (about 2 × 10⁻² kg)?
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Question 3
A large hard drive holds 9 × 10⁵ bytes. A photo is 2 × 10¹ bytes. How many photos fit on the drive?
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Question 4
Two cities have populations 3.8 × 10⁶ and 4.2 × 10⁶. What is their total population, in scientific notation?
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Question 5
How many times heavier or larger is a blue whale (about 1.5 × 10⁵ kg) than a hummingbird (about 3 × 10⁻³ kg)?
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Question 6
A large hard drive holds 5 × 10⁵ bytes. A photo is 5 × 10² bytes. How many photos fit on the drive?
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Question 7
Two cities have populations 4 × 10⁷ and 2.9 × 10⁷. What is their total population, in scientific notation?
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Question 8
How many times heavier or larger is the Sun's diameter (about 1.4 × 10⁶ km) than the Moon's diameter (about 3.5 × 10³ km)?
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Question 9
A large hard drive holds 9 × 10⁷ bytes. A photo is 1 × 10¹ bytes. How many photos fit on the drive?
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Question 10
Two cities have populations 3.9 × 10⁶ and 4.6 × 10⁶. What is their total population, in scientific notation?
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Question 11
How many times heavier or larger is Jupiter's diameter (about 1.4 × 10⁵ km) than Earth's diameter (about 1.3 × 10⁴ km)?
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Question 12
A large hard drive holds 6 × 10⁷ bytes. A photo is 4 × 10¹ bytes. How many photos fit on the drive?
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Question 13
Two cities have populations 3.1 × 10⁷ and 3.9 × 10⁷. What is their total population, in scientific notation?
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Question 14
How many times heavier or larger is a blue whale (about 1.5 × 10⁵ kg) than a hummingbird (about 3 × 10⁻³ kg)?
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Question 15
A large hard drive holds 4 × 10⁵ bytes. A photo is 2 × 10³ bytes. How many photos fit on the drive?
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Question 16
Two cities have populations 3.6 × 10⁷ and 4.4 × 10⁷. What is their total population, in scientific notation?
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