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WorksheetsExponent Review
Total questions: 25
Worksheet time: 40mins
Name
Class
Date
1.
2.) Simplify
(3x3y5)4
(3x3y5)4
a)
3x12y20
b)
81x12y20
c)
12x12y20
d)
81x7y9
2.
3.) Simplify
(45x6y2)/(5x4y9)
(45x6y2)/(5x4y9)
a)
(9x2)/y7
b)
40x2y7
c)
9x2y7
d)
9x10y11
3.
4.) Simplify
(16x4y-5)/(8a3b-8)
(16x4y-5)/(8a3b-8)
a)
(a3y5)/(2x4b8)
b)
(2x4b8)/(a3y5)
c)
(8x4b8)/(a3y5)
d)
2x4b8a3y5
4.
5.) Simplify
(w3/4z8/7)(w3/4z6/7)
(w3/4z8/7)(w3/4z6/7)
a)
w9/4z48/7
b)
w9/16z48/49
c)
w6/4z14/7
d)
w3/2z2
5.
(y9)-2
a)
y18
b)
y11
c)
1/y18
d)
y9/2
6.
(7uv2)-5
a)
-35uv-10
b)
-5/7uv2
c)
1/75u5v10
d)
1/7uv10
7.
Simplify (-4r5)(2r8)
a)
-8r13
b)
-2r13
c)
-8r40
d)
-2y40
8.
Make this negative exponent positive.
9-3
9-3
a)
93
b)
1/9-3
c)
1/93
d)
729
9.
According to exponent rules, when we multiply the same base we _______ the exponents.
a)
Multiply
b)
Add
c)
Divide
d)
Subtract
10.
The expression can be written equivalently with the following exponent on x.
a)
5/9
b)
9/5
c)
4
d)
45
11.
This expression can be written as the following exponent on x.
a)
x1/5
b)
x-1/5
c)
x-5
d)
x5
12.
Which is greater, 26540 or 50?
a)
26540
b)
50
c)
They are the same
d)
Zero is greater
13.
1.) Simplify
(2a2b4z)(6a3b2z5)
(2a2b4z)(6a3b2z5)
a)
8a5b6z6
b)
12a6b8z5
c)
12a5b6z6
d)
8a6b8z5
14.
Simplify -90
(Hint: parenthesis matter)
(Hint: parenthesis matter)
a)
1
b)
-1
c)
-9
d)
9
15.
9.) Find the next two terms in the sequence 3a4, 9a9, 27a14,…..
a)
3a5
b)
81a19, 243a24
c)
81a19, 162a24
d)
81a70, 243a350
16.
Simplify
a)
2b2
b)
2b6
c)
6b6
d)
8b6
17.
Which is GREATER?
27 or 72
27 or 72
a)
27
b)
72
c)
Neither, they are equal
18.
a)
1
b)
60
c)
36/36
d)
all of the above
19.
How many zeros would be in this number if written in standard form?
6.47 x 1011
6.47 x 1011
a)
11
b)
9
c)
10
d)
12
20.
Convert to scientific notation:
520,000,000
520,000,000
a)
52 x 107
b)
5.2 x 107
c)
5.2 x 108
d)
0.52 x 109
21.
Convert to standard notation:
2.4 x 10-3
2.4 x 10-3
a)
2400
b)
0.24
c)
0.024
d)
0.0024
22.
Solve:
(6 x 106) / (2 x 103)
(6 x 106) / (2 x 103)
a)
12 x 103
b)
3 x 109
c)
1.2 x 104
d)
3 x 103
23.
Solve:
(2.1×102) × (3.0×104)
(2.1×102) × (3.0×104)
a)
5.1 x 102
b)
6.3 x 106
c)
5.1 x 106
d)
6.3 x 108
24.
Divide:
(6.9 x 107) / (2.3 x 10-3)
(6.9 x 107) / (2.3 x 10-3)
a)
3 x 1010
b)
3 x 104
c)
3 x 10-4
d)
3 x 10-11
25.
Simplify 3-3
a)
-27
b)
-9
c)
-1/9
d)
1/27
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