Writing Numbers in Scientific Notation

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Show your work for each problem.

1.
Which number is written correctly in scientific notation?
1. a)
2. b)
3. c)
4. d)
2.
Write in scientific notation. Enter only the exponent (the power of 10).
3.
What is the coefficient in ?
1. a)
2. b)
3. c)
4. d)
4.
Write in scientific notation. Enter only the exponent (the power of 10).
5.
Write in scientific notation.
1. a)
2. b)
3. c)
4. d)
6.
Write in scientific notation. Enter the coefficient (the number before ).
7.
Convert to scientific notation.
8.
Convert to scientific notation.
9.
Correct to proper scientific notation.
1. a)
2. b)
3. c)
4. d)
10.
The speed of light is approximately meters per second. Write this in scientific notation. Enter the coefficient.
11.
A hydrogen atom has a mass of approximately kg. Write this in scientific notation.
12.
Correct to proper scientific notation.
1. a)
2. b)
3. c)
4. d)
13.
The distance to the Andromeda galaxy is about meters. Write this in scientific notation.
14.
What is in standard form?
1. a)
2. b)
3. c)
4. d)
15.
The diameter of a virus is approximately meters. Write this in scientific notation and enter the exponent.