Evaluate`[3/4xx((2/4)xx(4/5)+3/4-4/5)xx4/3]`

Evaluate 3/5 xx 2/3xx(-4)/5

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

Evaluate (-3)/4xx(-3)/4xx(-3)/4xx(-3)/4=(-)^4

Evaluate (i) 3/2 xx 4/5+3/5 xx 4/5 (ii) 14/3 xx 7/2-1/3 xx 7/2

Evaluate: (5^(4)xx7^(4)xx2^(7))/(8xx49xx5^(3))

Simplified value of ((4/7)^5xx(-2/3)^4)/((4/9)xx(4/7)^3)

Find the value of 3(4)/(7)xx2(2)/(5)xx1(3)/(4)

Express each of the following in exponential form: (-4)xx(-4)xx(-4)xx(-4)xx(-4)xx(-4) (ii) 3/5xx3/5xx3/5xx3/5

(3/2 xx (-7)/4) - ((-5)/2 xx 3/4)

Simplify and express each of the following as power of a rational number: (2/3)^3xx(-6/7)^2xx(-7/4)xx3/2 (iii) -(2/5)^2xx(5/7)^2xx(49)/5+(-4/5)^3xx5/4xx3/4