1a. 012, 021, 120, 102, 201, 210
b. 104
c. 7c
d. 11001
e. 91
f. 41
g. 12
h. 36

2
K 75 4B 113 1111
D 68 44 104 10100
T 84 54 124 110100

3
70 F 46 01110100 1001011
78 N 4E 00011110 11100001
116 t 74 00010110 11101001

4
1001011 01110100 10001100 -104 232
11100001 00011110 11100010 -72 200
11101001 00010110 11101010 -712 840

5
a. orange
b. light yellow
c. brown
d. gray
e. purple
f. white
g. the color would become deeper

6
a. 7500
b. 2500
c. 375000
d. 4 million
e. 6
f. 7
g. 70

7
a. 300 billion
b. 500
c. 50
d. less units
e. more units

8
a b c a+b c(a+b)
0 0 0  0     0
0 0 1  0     0
0 1 0  1    0
0 1 1  1    1
1 0 0  1    0
1 0 1  1    1

9
a b c ab bc ac
0 0 0 0   0  0
0 0 1 0   0  0
0 1 0 0   0  0
0 1 1 0   1  0
1 0 0 0   0  0
1 0 1 0   0  1
1 1 0 1   0  0
1 1 1 1   1  1

10
a+b  b+c  a+e
0     0    0
0     1    1
1     1    0
1     0    1
1     0    1
1     0    0
0     1    1
0     0    0

11. because it is using the associative property