Simplify the following: ` (5i) (- 3/5i)`

Simplify the following: (2i)^(3)

Simplify the following: i^(-35)

Simplify the following: i^(-39)

Simplify the following: (-5i)((1)/(8)i)

Simplify the following: (8i)(-(1)/(8)i)

Simplify each of the following: (i) (3)/(sqrt(3)-sqrt(2)+sqrt(5))

Simplify the following : (a) (-5)^3 (b) (-4)^5 .

Simplify the following : (i) 1+ i^(5)+i^(10)+i^(15) (ii) (1+i)^(4)+(1+(1)/(i))^(4) (iii) i^(n)+i^(n+1)+i^(n+2)+i^(n+3)

Simplify the following : (i) [i^(19) +(1)/(i^(25))]^(2) (ii) [i^(5)- (1)/(i^(3))]^(4)

Simplify the following: (-i)(2i)(-(1)/(8)i)^(3)