Test: Indices II - Normal

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