MTH
030 -- Elementary Algebra -- Exercise Solutions
Section:
4.1
27.
Identify the base and the exponent in the exponetial expression 43.
Solution: The base is 4 and the exponent is 3.
28.
Identify the base and the exponent in the exponetial expression (-
8)2.
Solution: The base is -8 and the exponent is 2.
29.
Identify the base and the exponent in the exponetial expression x5.
Solution: The base is x and the exponent is 5.
31.
Identify the base and the exponent in the exponetial expression (-
3x)2.
Solution: The base is -3x and the exponent is 2.
32.
Identify the base and the exponent in the exponetial expression -x4.
Solution: The base is x and the exponent is 4.
34.
Identify the base and the exponent in the exponetial expression 3.14r4.
Solution: The base is r and the exponent is 4.
35.
Evaluate (- 4)2
Solution:
(- 4)2 = (- 4)(- 4) = 16
36.
Evaluate (- 5)2
Solution:
(- 5)2 = (- 5)(- 5) = 25
37.
Evaluate - 42
Solution:
-
42 = - (4)(4) = - 16
38.
Evaluate - 52
Solution:
-
52 = - (5)(5) = - 25
