Answer:
b is the correct answer
Step-by-step explanation:
(
111
t
w
o
)
2
=
(
111
t
w
o
)
(
111
t
w
o
)
=
1
×
2
2
+
1
×
2
1
+
1
×
2
0
=
4
+
2
+
1
=
7
t
e
n
(
111
t
w
o
)
2
=
7
×
7
=
49
2
49
2
24
R
1
2
12
R
0
2
6
R
0
2
3
R
0
2
1
R
1
0
R
1
↑
=
110001
2