Expressing Units

A number indicates “how much,” but the unit indicates “of what.”

1 pts

volume_mute

True

False

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Chemistry unlike from other science branches, it does not use the International System of Units

1 pts

volume_mute

True

False

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The International System of Units (SI) uses pounds as a unit of mass

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volume_mute

True

False

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To express a quantity, you need to combine a number with a unit

1 pts

volume_mute

True

False

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It makes sense to express the width of a human in meters

1 pts

volume_mute

True

False

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A prefix used with a unit that refers to a multiple or fraction of a fundamental unit to make a more conveniently sized unit for a specific quantity

1 pts

volume_mute

True

False

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A _______ unit is a unit that is a product or a quotient of a fundamental unit

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Missing

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Volume has a unit of \(m^3\)

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volume_mute

True

False

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A liter is one-tenth of a meter cubed

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volume_mute

True

False

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Human hair measurement unit

1 pts

volume_mute

A human hair has a diameter of about 6.0 x 10^-5. Suggest an appropriate unit for this measurement and write the diameter of a human hair in terms of that unit.

milli

micro

nano

pico

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What is the velocity of a car if it goes 25 m in 5.0 s?

1 pts

volume_mute

5.0 km/h

5.0 m/h

5.0 m/s

5.0 km/s

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Express the volume of an olympic-sized swimming pool, 2,500,000 L, in more appropriate units.

1 pts

volume_mute

2.5 ML

250 mL

2.5 kL

25000 GL

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A common garden snail movies about 6.1 m in 30 min. What is its velocity in meters per minute (m/min)?

1 pts

velocity = (1) m/min

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A number indicates “how much,” but the unit indicates “of what.”

Correct Answer

Explanation

Chemistry unlike from other science branches, it does not use the International System of Units

Correct Answer

Explanation

The International System of Units (SI) uses pounds as a unit of mass

Correct Answer

Explanation

To express a quantity, you need to combine a number with a unit

Correct Answer

Explanation

It makes sense to express the width of a human in meters

Correct Answer

Explanation

A prefix used with a unit that refers to a multiple or fraction of a fundamental unit to make a more conveniently sized unit for a specific quantity

Correct Answer

Explanation

A _______ unit is a unit that is a product or a quotient of a fundamental unit

Correct Answer

Explanation

Volume has a unit of \(m^3\)

Correct Answer

Explanation

A liter is one-tenth of a meter cubed

Correct Answer

Explanation

Human hair measurement unit

Correct Answer

Explanation

What is the velocity of a car if it goes 25 m in 5.0 s?

Correct Answer

Explanation

Express the volume of an olympic-sized swimming pool, 2,500,000 L, in more appropriate units.

Correct Answer

Explanation

A common garden snail movies about 6.1 m in 30 min. What is its velocity in meters per minute (m/min)?

Correct Answer

Explanation

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