Chapter 5, Exercises 2, 9, 15
Chapter 6, Exercise 4

2.

a. 2^n = 1 million n=20

b. 2^n = 10 million n=24

c. 2^n= 100 million n=27

d. 2^n= 1 Billion n=30

9. 2^4 = 16 not enough

2^5=32 the answer n =5…we need 5 selector lines because 2^4 is not enough and

2^5 is over 20 so it works.

15.

a. 2^6 = 64

b. 2^18 = 262144

c. 6+18+18 = 42

42/8= 6

The answer is 6

4.

A.

r= 472

60= 472

61= -1

B.

r= 13

60= 13

61= -1

C.

r=485

60= 472

61= -1

D. everything stays the same

r=13

60= 472

61= -1

E.

r= 13

60= 472

61= 50

F. everything stays the same

r=13

60 = 472

61 = -1