Write each of the following in power notation:
( i ) `frac(5)(7)xxfrac(5)(7)xxfrac(5)(7)xxfrac(5)(7)`
( ii ) `(frac(-4)(3)) xx (frac(-4)(3)) xx (frac(-4)(3)) xx (frac(-4)(3)) xx (frac(-4)(3))`
( iii ) `(frac(-1)(6)) xx (frac(-1)(6)) xx (frac(-1)(6))`
`( iv ) (-8) xx (-8) xx (-8) xx (-8) xx (-8)`

. Find the product: (i) frac(2)(3) xx frac(5)(7) (ii) frac(3)(4) xx (frac(-5)(8)) (iii) frac(-4)(5) xx 6

Simplify each of the following as a rational number: ( i ) (frac(4)(9))^(6) xx (frac(4)(9))^(-4) ( ii ) (frac(-7)(8))^(-3) xx (frac(-7)(8))^(2) ( iii ) (frac(4)(3))^(-3) xx (frac(4)(3))^(-2)

. Simplify: (i) frac(-36)(7) xx frac(-14)(9) (ii) frac(-8)(13) xx frac(39)(-4)

Simplify: (i) frac(-5)(9) xx frac(63)(-100) (ii) frac(-11)(9) xx frac(-21)(-44)

Let's simplify : 10frac(3)(10) xx 6frac(4)(3) xx frac(4)(11)

Simplify each of the following and express each as a rational number: ( i ) (frac(3)(2))^(4) xx (frac(1)(5))^(2) ( ii ) (frac(-2)(3))^(5) xx (frac(-3)(7))^(3) ( iii ) (frac(-1)(2))^(5) xx 2^(3) xx (frac(3)(4))^(2) ( iv ) (frac(2)(3))^(2) xx (frac(-3)(5))^(3) xx (frac(7)(2))^(2) ( v ) {(frac(-3)(4))^(3)-(frac(-5)(2))^(3)} xx 4^(2)

Simplify each of the following and express each as a rational number: ( i ) (frac(2)(3))^(4) xx (frac(2)(3))^(2) ( ii ) (frac(-3)(4))^(3) xx (frac(-3)(4))^(2) ( iii ) (frac(5)(7))^(5) xx (frac(5)(7))^(-3) ( iv ) (frac(-3)(5))^(-3) xx (frac(-3)(5))^(2)

14 frac(3)(4)-12 frac(1)(6) xx 3frac(1)(8)+6frac(3)(12)- 3 frac(1)(2)=

Simplify and express each of the following as a rational number: ( i ) (frac(3)(2))^(-3) xx (frac(3)(2))^(-2) ( ii ) (frac(3)(4))^(-2) xx (frac(5)(2))^(-3) ( iii ) (frac(-2)(3))^(-4) xx (frac(-3)(5))^(2)

HCF of frac(2)(3) , frac(4)(5) and frac(6)(7) is