7-2 Division Properties of Exponents
Simplify each expression. Assume that no denominator equals zero.
20. ANSWER: 10 2
p t
22. ANSWER: c
2
24. ANSWER: 1
26. ANSWER: 28. ANSWER: 30. ANSWER: 32. ANSWER: 10
p r
eSolutions Manual - Powered by Cognero
34. Page 1
32. ANSWER: 7-2 Division Properties of Exponents
10
p r
34. ANSWER: 36. ANSWER: 38. ANSWER: 40. ANSWER: 4 16 4
a b c
42. ANSWER: 5 7
g h
44. PROBABILITY The probability of rolling a die and getting an even number is
probability of getting an even number twice is
or . If you roll the die twice, the
.
a. What does
represent?
b. Write an expression to represent the probability of rolling a die d times and getting an even number every time.
Write the expression as a power of 2.
ANSWER: a. probability of all evens on 4 rolls
b.
−d
;2
eSolutions Manual - Powered by Cognero
Simplify each expression. Assume that no denominator equals zero.
Page 2
42. ANSWER: 7-2 Division Properties of Exponents
5 7
g h
44. PROBABILITY The probability of rolling a die and getting an even number is
probability of getting an even number twice is
or . If you roll the die twice, the
.
a. What does
represent?
b. Write an expression to represent the probability of rolling a die d times and getting an even number every time.
Write the expression as a power of 2.
ANSWER: a. probability of all evens on 4 rolls
b.
−d
;2
Simplify each expression. Assume that no denominator equals zero.
46. ANSWER: 48. ANSWER: 50. ANSWER: 52. ANSWER: eSolutions
Manual - Powered by Cognero
54. ANSWER: Page 3
ANSWER: 7-2 Division Properties of Exponents
54. ANSWER: 56. ANSWER: eSolutions Manual - Powered by Cognero
Page 4