Find : `3/4+\ ((-3)/5)+((-2)/3)+5/8+\ ((-4)/(15))`

Evaluate ((3)/(8))^(-2) xx ((4)/(5))^(-3).

The value of (9)/(15) " of " ((2)/(3) // (2)/(3) " of " (3)/(2)) ÷ ((3)/(4) xx (3)/(4) ÷ (3)/(4) " of " (4)/(3)) " of " ((5)/(4) ÷ (5)/(2) xx (2)/(5) " of " (4)/(5)) is :

The value of (9)/(15) " of " ((2)/(3) // (2)/(3) " of " (3)/(2)) ÷ ((3)/(4) xx (3)/(4) ÷ (3)/(4) " of " (4)/(3)) " of " ((5)/(4) ÷ (5)/(2) xx (2)/(5) " of " (4)/(5)) is :

Re-arrange suitably and find the sum in each of the following: (3)/(5)+(7)/(3)+(9)/(5)+(-13)/(15)+(-7)/(3) (ii) (4)/(13)+(-5)/(8)+(-8)/(13)+(9)/(13)

Evaluate: (i) 4 ^(-3) (ii) ((1)/(2 )) ^(-5) (iii) ((4)/(3))^(-3) (iv) (-3) ^(4) (v) ((-2)/(3)) ^(-5)

8(3)/(5)+1(2)/(5)-4(3)/(10)

(3)/(12) of (((2)/(5)+(4)/(15)))/(((3)/(5)-(2)/(5)))= ?