Simplify each of the following and express the result as a rational number in standard from: `(-16)/(21)xx(14)/5` (ii) `7/6xx(-3)/(28)`

Simplify each of the following and express the result as a rational number in standard from: (-19)/(36)xx16 (ii) (-13)/9xx(27)/(-26)

Simplify each of the following and express the result as a rational number in standard form: (-9)/(16)x(-64)/(-27) (ii) (-50)/(7)x(14)/(3)

Simplify each of the following and express the result as a rational number in standard form: (-11)/(9)x(-81)/(-88) (ii) (-5)/(9)x(72)/(-25)

Simplify each of the following and express the result as a rational number in standard form: (-19)/(36)x16 (ii) (-13)/(9)x(27)/(-26)

Express each of the following rational numbers in the standard form: (-8)/(28) (ii) (-12)/(-30)

Simplify the following expressions : 3/7 xx 5/4

Express each of the following rational numbers in the standard form: (14)/(-49) (ii) (-16)/(-56)

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)

Simplify: (-8)/7xx(14)/5 (ii) (13)/6xx(-18)/(91)

Express each of the following rational numbers in its standard form: (14)/( -49)