Test: Indices II - Ambitious

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Question 1:   Simplify expression: x 5 × x 7
x 35
x 12
x -2
x 2
Question 2:   Simplify: 3 x -3
3 x 3
3 x
x 3
x 3 3
Question 3:   Find value of 400 a -3 , if a=2
-50
-500
50
500
Question 4:   Find value of 4 a 2 -4a+1 , if a=-3
4.9
-49
490
49
Question 5:   Calculate: ( 3 5 ) 2 - 1 6 ( 1 1 5 ) 2
6 25
- 3 25
- 6 25
3 25
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