Question

Solve all the 15 questions
Anyone with full explaination will get the answer as brainliest ​

Answer 1

Step-by-step explanation:

1) a^m x a^n= a^m+n

2) 1^0 + 2^0 + 3^0= 1+1+1=3

3) (-2/3)² = 4/9

4) (-1/4)³ = -1/64

5) (2/3)³ x (5/7)³ = {(2/3)(5/7)}³

6) (a/b)^m / (a/b)^n = (a/b)^m-n

7) 2³+3²= 8+9=17

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12) √4^n= 256 => 4^1/2n=4^4

Therefore,n=> 1/2n=4 => n=4 x 2 =8

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14) 27/-9²= 27/81=1/3

15) 7 x 10^-7 = 0.0000007