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Practice Questions



 This activity contains 25 questions.

Question 1.
A kilogram is

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Question 2.
A centimeter is

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Question 3.
A megawatt is

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Question 4.
A nanosecond is

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Question 5.
A kilometer is

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Question 6.
All of the following are base units of the SI system except:

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Question 7.
The SI prefix for 10-12 is

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Question 8.
Given (1 angstrom unit = 10-10 m) and (1 fermi = 10-15 m), what is the relationship between these units?

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Question 9.
Convert 0.75 kilometers to meters.

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Question 10.
Convert 0.0215 m to mm.

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Question 11.
Add 321.475, 42.500, and 2.25, and round properly.

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Question 12.
Multiply 12.75 times 4.375 and round properly.

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Question 13.
How many common house flies can fit one layer deep on a 3 inch by 5 inch card (to 1 significant figure)?

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Question 14.
What is the mass of a common house fly?

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Question 15.
What is the speed, to one significant figure, of a common house fly in ordinary flight?

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Question 16.
The number 9452 in scientific notation is

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Question 17.
The number .0000475 in scientific notation is

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Question 18.
What does 1.23 + 2.50 × 10-3 equal?

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Question 19.
The volume of a sphere of radius R is

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Question 20.
The surface area of a sphere of radius R is

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Question 21.
The area of a circle of radius R is

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Question 22.
The circumference of a circle of radius R is

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Question 23.
The diagonal of a square 2.0 meters on a side is

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Question 24.
The area of a right triangle of base, "b", and height, "h", is

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Question 25.
A 10 L container has a volume expressed in m3 of

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