Verify the following: (i) `19xx{7+(-3)}=19xx7+19xx(-3)` (ii) `(-23){(-5)+(+19)}=(-23)xx(-5)+(-23)xx(+19)`

Verify the following: ( i ) 19xx{7+(-3)}=19xx7+19xx(-3)(-23){(-5)+(+19)}=(-23)xx(-5)+(-23)xx(+19)

Solve the following : 19.7xx4

Solve the following. 19.7 xx 4

Solve the following: (-4){19-(-2)xx(-8)}=?

Evaluate the following (-8) xx (-19) xx (-15)

Evaluate the following : (19/-23)^2

-56-(-19)-21+23

Name the property under multiplication used in each of the following. (i) (-4)/5 xx 1 = 1 xx (-4)/5 (ii) (13)/(17) xx (-2)/7 = (-2)/7 xx (-13)/(17) (iii) (-19)/(29) xx (29)/(-19) =

Name the property under multiplication used in each of the following.(i) (-4)/(5)xx1=1xx(-4)/(5) (ii) (13)/(17)xx(-2)/(7)=(-2)/(7)xx(-13)/(17) (iii) (-19)/(29)xx(29)/(-19)=

(-157)xx(-19)+157=