Types of Numbers Test

Unit Test #2

Select your answers to the following 10 questions from the pop-up menus in the right hand column. Clicking the "Begin Test Again" button will clear all the answers.

 

 

Q1:

 0.057 written in standard form is A. 57 x 10-3
B. 5.7 x 10-2
C. 0.57 x 10-1
D. 0.057 x 100

Answer 1:

Q2:

 (0.12)2= A. 0.0144
B. 0.144
C. 0.24
D. 1.44

Answer 2:

Q3:

 Find the square root of 0.04 A. 0.002
B. 0.02
C. 0.2
D. 1.6

Answer 3:

Q4:

 Express the number 184.62 in standard form. A. 1.8462 x 102
B. 1.8462 x 103
C. 18.462 x 102
D. 1.84 x 10

Answer 4:

Q5:

 Multiply (3 x 10-2) by (4 x 10-5), giving the answer in standard form. A. 12 x 10-6
B. 1.2 x 10-6
C. 1.2 x 10-7
D. 1.2 x 1010

Answer 5:

Q6:

 The reciprocal of 0.04 is A. 0.25
B. 0.96
C. 2.5
D. 25

Answer 6:

Q7:

 What is / are the square root(s) of (-9)2 ? A. -9
B. 9
C. 3
D. 9 or -9

Answer 7:

Q8:

 (-0.4)2 A. 1.6
B. 0.16
C. -0.16
D. -1.6

Answer 8:

Q9:

 The first three prime numbers are: A. 0, 1, 2
B. 1, 2, 3
C. 2, 3, 5
D. 3, 5, 7

Answer 9:

Q10:

 Which of the following is a natural number? A. -5
B. 5.5 
C. 0
D. 5

Answer 10: