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(0.04)-1.5 = ?

A. 25

B. 125

C. 250

D. 625

Correct Answer : B.



(0.04)-1.5 = 4 100-1.5 
= 125 -32
= (25)32
= (52)32
= (5)2 ×32
= 53  = 125.

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