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Topic 1 Review

Total questions: 30

Worksheet time: 1hrs 1mins

Name
Class
Date
1.

 Estimate √91 to the nearest tenth

a)

9.1

b)

9.5

c)

8.9

d)

9.8

2.
The √20 is between which two integers?
a)
2 & 3
b)
3 & 4
c)
4 & 5
d)
5 & 6
3.
The √40 is between which two consecutive whole numbers?
a)
7 & 8
b)
4 & 5
c)
5 & 6
d)
6 & 7
4.
Round to the Nearest Hundredth: √119
a)
10.9
b)
10.7
c)
11.1
d)
19
5.

The √77 is between what two integers?

a)

5 and 6

b)

6 and 7

c)

7 and 8

d)

8 and 9

6.
Estimate the square root.
a)
1
b)
2
c)
3
d)
4
7.
Which number has a square root that is between 5 and 6?
a)
48
b)
81
c)
28
d)
36
8.

How would you write 0.0005 in scientific notation?

a)

50 x 10-5

b)

5 x 10-4

c)

5 x 103

d)

.5 x 103

9.

Which of the following numbers is written in scientific notation?

a)

20.35 x 104

b)

.2035 x 104

c)

2035 4

d)

2.035 x104

10.

Convert to scientific notation:


520,000,000

a)

52 x 107

b)

5.2 x 10-7

c)

5.2 x 108

d)

0.52 x 109

11.

If the exponent is a positive number the original number was...

a)

a really big number.

b)

a really small number.

12.

If the exponent is a negative number the original number was...

a)

a really large number.

b)

a really small number.

13.

Convert this number into scientific notation:


0.068

a)

6.9 x 106

b)

6.8 x 10-9

c)

6.8 x 10-2

d)

None of the above

14.

Which value is the greatest?

a)

5.0 x 10-9

b)

5.0 x 10-4

c)

5.0 x 106

d)

5.0 x 108

15.

Which number is the least in value?

a)

5.0 x 10-9

b)

5.0 x 10-4

c)

5.0 x 106

d)

5.0 x 108

16.
10x  107
a)
102
b)
103
c)
1012
d)
1013
17.
Simplify:
(x3)2
a)
x5
b)
x
c)
x6
d)
3x2
18.
Simplify (-9)0

a)
-9
b)
-1
c)
1
d)
9
19.
Rewrite using a positive exponent.
7-10
a)
1/710
b)
710
c)
1/7-10
d)
-70
20.

Simplify

a)

c7c^7

b)

1c7\frac{1}{c^7}

c)

1c17\frac{1}{c^{17}}

d)

c60c^{60}

21.
√ 64
a)
4
b)
6
c)
9
d)
8
22.
What is the square root of 144?
a)
4
b)
12
c)
16
d)
32
23.
∛216
a)
6
b)
72
c)
108
d)
4
24.
∛8 =
a)
4
b)
3
c)
2
d)
512
25.
Convert 0.444... to a fraction.
a)
4/10
b)
4.4/99
c)
4/9
d)
2/5
26.
Convert 0.252525... to a fraction.
a)
25/9
b)
25/99
c)
25/100
d)
1/4
27.
a)
77/25
b)
77/250
c)
308/9
d)
308/999
28.
Is the number rational or irrational?
a)
Rational
b)
Irrational
29.
Is the number rational or irrational?
a)
Rational
b)
Irrational
30.
Is the number rational or irrational?
a)
Rational
b)
Irrational