Question

quien me ayuda con estas multiplicaciones por fa

( -10 )×( -11 ) =
( 7 ) × ( -2 ) =
( 2/5 ) × (-7/2 ) =
( -2/7 ) × ( -1/8 ) =
( 31 ) × ( 2 ) =
( -14 ) × ( 5 ) =
( 6/2 ) × ( 4/3 ) =
( -9/3 ) × ( 3/2 ) =​

Answer 1

Explicación paso a paso:

-10 )×( -11 ) = 110

( 7 ) × ( -2 ) = -14

( 2/5 ) × (-7/2 ) = -14/10= -7/5

( -2/7 ) × ( -1/8 ) = 2/56= 1/28

( 31 ) × ( 2 ) =62

( -14 ) × ( 5 ) = -70

( 6/2 ) × ( 4/3 ) = 24/6=4

( -9/3 ) × ( 3/2 ) = -27/6= -9/2

Answer 2

Respuesta:

ley de los signos de multiplicar:

(+)x(-)= -

(-)x(+)= -

(+)x(+)= +

(-)x(-)=+

Explicación paso a paso:

1: 110

2: - 14