Test:
Indices - Ambitious
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Question 1:
Simplify:
x
3
⋅
x
4
A
3
x
4
B
x
−
1
C
x
12
D
x
7
Question 2:
Simplify:
x
7
÷
x
5
A
x
12
B
x
−
2
C
x
2
D
x
7
/
5
Question 3:
Simplify:
x
2
⋅
x
3
⋅
x
4
⋅
x
5
⋅
x
−
6
A
x
20
B
x
18
C
x
8
D
x
22
Question 4:
Simplify:
(
x
8
x
3
⋅
x
2
)
2
A
x
9
B
x
49
C
x
25
D
x
14
Question 5:
Simplify:
(
0.72
)
0
+
2
−
4
+
9
1
2
−
16
1
4
A
2
B
2
13
16
C
2
15
16
D
2
1
16
Question 6:
Simplify:
8
−
1
⋅
100
A
800
B
12.5
C
125
D
80
Question 7:
Simplify:
16
2
8
A
1
B
2
C
2
D
4
Question 8:
Simplify:
4
−
1
⋅
100
+
4
1
2
⋅
100
+
4
−
1
2
⋅
100
A
275
B
175
C
150
D
200
Question 9:
If
3
x
=
81
, find
x
.
A
x
=
4
B
x
=
3
C
x
=
27
D
x
=
9
Question 10:
If
7
x
−
2
=
49
2
x
+
5
A
x
=
−
1
B
x
=
3
C
x
=
2
D
x
=
−
4
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