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WorksheetsInteger Exponents and Scientific Notation
Total questions: 30
Worksheet time: 1hrs 9mins
Name
Class
Date
1.
Another name for exponent is _______________ .
a)
radical
b)
base
c)
power
d)
fractional
2.
Which is greater, 26540 or 50?
a)
26540
b)
50
c)
They are the same
d)
Zero is greater
3.
Make this negative exponent positive.
9-3
9-3
a)
93
b)
1/9-3
c)
1/93
d)
729
4.
What would be the value for x in the following equation:
x2=49
x2=49
a)
5 or -5
b)
6 or -6
c)
7 or -7
d)
8 or -8
5.
What is (-3)4 as repeated multiplication?
a)
-3 x -3 x -3 x -3
b)
3 x 3 x 3 x 3
c)
4 x 4 x 4
d)
-4 x -4 x -4
6.
What is the BASE in the exponent below?
43
43
a)
4
b)
3
c)
43
d)
64
7.
How do you write 2 x 2 x 2 x 2 with an exponent?
a)
42
b)
24
c)
22
8.
Which one of the following is NOT written correctly?
a)
5.4 x 103
b)
11.3 x 109
c)
0.87 x 104
d)
3.4 x 10-6
9.
Write 187 billion in scientific notation.
a)
1.87 x 1011
b)
1.87 x 109
c)
1.87 x 1014
d)
1.87 x 1017
10.
Which of the following is NOT equivalent to 1/81
a)
92 x 9-4
b)
93/ 95
c)
9-2 x 90
d)
9-2 x 94
11.
There are 29 molecules of nitrogen in a certain amount of air. If that amount doubles, how many molecules of nitrogen will there be in the container?
Use your power rules (exponential expressions (integer exponents)) to help you.
Use your power rules (exponential expressions (integer exponents)) to help you.
a)
218
b)
210
c)
49
d)
418
12.
What is the rule for Scientific Notation?
a)
It has to be more than 10
b)
It has to be more than 1 but less than 10
c)
It has to be less than 1
d)
It has to be less than 1 and more than 10
13.
When dividing exponents with the same base you...
a)
Add
b)
Multiply
c)
Subtract
d)
Do nothing
14.
How do you solve a problem with negative exponents?
a)
The negative exponent becomes a positive when put into a fraction
b)
The negative sign goes in front of the base
c)
You can't solve for it
d)
Subtract the exponent from the base
15.
Any number raised to the power of ZERO is equal to:
a)
0
b)
0+1
c)
Stays the same
d)
1
16.
When would you multiply exponents?
a)
When an exponent is raised to a power
b)
When an exponent is subtracted
c)
When a number is raised to the zero power
d)
When an exponent is outside the parentheses of a fraction
17.
What is the rule for Power of a Product?
a)
Subtracting exponents
b)
The negative numerator moves to the denominator
c)
When an exponent is outside the parentheses, everything inside is raised to the specific power
d)
Raise both the numerator and denominator to the power
18.
What is scientific notation?
a)
A long way to write really short numbers
b)
A short way to write really long numbers
c)
I don't know...
d)
None of the above
19.
How do you write
8.317 x 106
in standard form?
8.317 x 106
in standard form?
a)
8, 371, 000
b)
83, 170, 000
c)
837, 100
d)
8, 317, 000
20.
Write 187 billion in scientific notation.
a)
1.87 x 1011
b)
1.87 x 109
c)
1.87 x 1014
d)
1.87 x 1017
21.
Define EXPONENT
a)
a number that tells how many times the base is multiplied by itself
b)
a number written out as a sum of its digits
c)
the way of writing a number in the form x^n
d)
the sum of any number and its inverse
22.
To change form
a)
quotient
b)
base
c)
convert
d)
equivalent
23.
An expression that has a square root, cube root, etc. The symbol is √
a)
radical
b)
convert
c)
significant digits
d)
exponent
24.
Convert 7.2 x 10^5
a)
0.0000072
b)
7,200,000
c)
720,000
d)
0.000072
25.
Convert 3.2 x 10^-3
a)
0.00032
b)
0.0032
c)
32,000
d)
3,200
26.
Convert 8.99 x 10^-6
a)
0.00000899
b)
0.000000899
c)
899,000,000
d)
8,990,000
27.
(2.5 x 10^3) x (3 x 10^5)
a)
7.5 x 10^15
b)
5.5 x 10^8
c)
7.5 x 10^8
d)
5.5 x 10^15
28.
Simplify (-8)-2
a)
1/(-8)2
b)
1/82
c)
1/64
d)
-64
29.
Simplify.
2-3 ⋅ 2-4
2-3 ⋅ 2-4
a)
1/128
b)
2-7
c)
212
d)
27
30.
Simplify.
a)
y60
b)
1/y16
c)
y-16
d)
y4
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