Arithmetic of Computers

Arithmetic of Computers

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Self-Test Questions : Lesson 3

Negative Numbers

Real values of less than nothing
 
1.
What is the difference in absolute magnitudes of 9 and -9?

Go to Page 92

2.
Which has the greater absolute value, -13 or -4?

Go to Page 102

3.
Add:
a. ( − 8) + ( − 3)
b. ( − 10) + ( − 4)
c. ( − 19) + ( − 9)

Go to Page 112

4.
Find the error:
a.  − 8 + ( − 9) =  − 17
b.  − 4 + 8 = 4
c.  − 7 + 5 = 12

Go to Page 117

5.
What is the rule for subtraction?

Go to Page 108

6.
Subtract minus 5 from 8

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7.
Find the answers:
a. 7 + ( − 4) = 
b. 8 − ( − 6) = 
c. ( − 4) + ( − 5) = 
d. ( − 5) + ( + 3) = 

Go to Page 105

8.
What is (bm)/(bn)if m = 4, and n = 7?

Go to Page 115

9.
Write 8 − 4 as a fraction

Go to Page 104

10.
Write (1)/(15) as a power of 15

Go to Page 120

11.
Write (1)/(27) as a power of 3

Go to Page 118

12.
Perform the operation 64 × (1)/(16), using negative exponents where required

Go to Page 121

Lesson 4 begins on Page 125.

Go to Lesson 4

 

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