1.02 X 10^2
8.54 X 10^-3
6.83 x 10^-4
9.12 X 10^-6

Step-by-step explanation:

1.02 X 10^2=102

8.54 X 10^-3=00.854

6.83 x 10^-4=0.000683

9.12 X 10^-6=00000.0912

step by step solution :

step   1   :

1.1     4 = 22

(4)3 = (22)3 = 26

equation at the end of step   1   :

  ((23) • 26)2

step   2   :

equation at the end of step   2   :

  (23 • 26)2

step   3   :

final result :

  218

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