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Scientific Notation
Test Description: Scientific Notation
Instructions: Answer all questions to get your test result.
1) What two components are part of a scientific notation expression?
A
A number between 0 and 10 and by a power of 10
B
Any number and by a power of 10
C
A number between 1 and 10 and another number with an exponent
D
A number between 1 and 10 and a power of 10
2) Which of the following is correctly written in scientific notation?
A
.12 x 10*2
B
12 x 2*2
C
12 x 10*2
D
1.2 x 10*2
3) Evaluate this expression: 2.48 x 10*-3
A
248,000
B
2,480
C
.000248
D
.00248
4) Evaluate: (3)(10*2) x (5)(10*2)
A
4,500
B
450,000
C
150,000
D
4, 500,000
5) When would you use scientific notation?
A
Both 1 2
B
When dealing with very large numbers
C
Neither 1 nor 2
D
When dealing with very small numbers
6) Which number would most likely be used to describe the distance of an object in space from Earth?
A
3.5 x 10*33
B
3.5 x 10*3
C
3.5 x 10*-10
D
3.5 x 10*-33
7) How would you write the number 7,891,100 in scientific notation?
A
7.8911 x 10*6
B
7 x 10*6
C
78 x 10*5
D
78,911 x 10*2
8) How would you write 0.0089 in scientific notation?
A
8.9 x 10*-3
B
8.9 x 10*3
C
8.9 x 10*-2
D
.89 x 10*-2
9) How is scientific notation different from exponents?
A
Scientific notation uses the metric system.
B
Scientific notation uses only powers of ten.
C
Scientific notation is only used by scientists.
D
Scientific notation and exponents are exactly the same.
10) To multiply two numbers using scientific notation, you would
A
subtract the exponents on the powers of ten
B
add the exponents on the powers of ten
C
multiply the exponents on the powers of ten
D
divide the exponents on the powers of ten
*select an answer for all questions
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