Surds And Indices Q36

36.	(0.04)-1.5 = ?
	A. 25 B. 125 C. 250 D. 625

Answer: Option B

Explanation:

(0.04)-1.5 =		4		-1.5
		100

=		1		-(3/2)
		25

   = (25)^(3/2)

   = (5²)^(3/2)

   = (5)^{2 x (3/2)}

   = 5³

   = 125.