`((-4)/3)^8xx((-4)/3)^8div((-3)/4)^(-5)` is equal to

The value of ((7)/(8) div 5(1)/(4) xx 7(1)/(5) - (3)/(20) " of " (2)/(3)) div (1)/(2) + ((3)/(5) xx 7(1)/(2) + (2)/(3) div (8)/(15)) is equal to 7+k , where k =

[(-8)xx(-3)]xx(-4) is not equal to

(4)/(5) xx 2(3)/(4) div (5)/(8)=?

(5)/(8)xx2(3)/(5) div (4)/(9)=?

4(1)/(2)xx4(1)/(3)-8(1)/(3)div5(2)/(3)=?

The value of (2)/(3)div(3)/(1)" of "(4)/(9)-(4)/(5)xx1 (1)/(9)div(8)/(15)+(3)/(4)div(1)/(2) is :

(3/4+5/8) div 1/16=

1+1/4 + (1xx3)/(4xx8) + (1xx3xx5)/(4xx8xx12) x^(3) + "….." is equal to