Test: Indices II - Normal

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Question 1:   Simplify: aaa
3a
a 2
-3a
a 3
Question 2:   Simplify: ( 3a ) 2
6 a 2
3 a 3
9 a 2
3 a 2
Question 3:   Simplify: ( a+b )( a+b )( a+b )
a 3 + b 3
( a+b ) 3
3( a+b )
3a+3b
Question 4:   Calculate: ( -5 ) 2 ×3
75
15
-15
-75
Question 5:   Calculate: ( - 2 5 ) 3
- 8 125
6 15
8 125
- 6 15
Question 6:   Calculate: ( 2 3 ) 4 ×81
1 54
54
1 16
16
Question 7:   Calculate: ( 7 8 ) 0 × 3 8
3 8
21 64
1
0
Question 8:   Find value of 6 x 2 , if x=7
294
42
84
48
Question 9:   Calculate: ( -8 ) 5 ×0× ( 1 2 ) 2
-1
4
1
0
Question 10:   Simplify expression: a b 2 × b -3 × a -2
-ab
- 1 ab
1 ab
ab