a) \(\left(-16\right).12=\left(-192\right)\)
b) \(22.\left(-5\right)=\left(-110\right)\)
c) \(\left(-2500\right).\left(-100\right)=\left(+250000\right)\)
d) \(\left(-11\right)^2=\left(-11\right).\left(-11\right)=\left(+121\right)\)
a, ( - 16 ) . 12 b, 22 . ( - 5 ) c, ( - 2500 ) . ( - 100 )
= - ( 16.12 ) = - ( 22 . 5 ) = 2500 . 100
= - 192 = - 110 = 250000
d, ( -11 )2 = [ ( -11 ) . ( -11 ) ]
= 121
a) (−16).12=(−192)(−16).12=(−192)
b) 22.(−5)=(−110)22.(−5)=(−110)
c) (−2500).(−100)=(+250000)(−2500).(−100)=(+250000)
d) (−11)2=(−11).(−11)=(+121)