Question

Answer 1

\(a,-3.7=-21\)

-5.6 = -30

-12.4 = -48

-14.5 = -70

-10 . 11 = -110

-12.12 = -144

Answer 2

a: =-21

b: =-30

c: =-48

d: =-70

a: =-110

b: =-144

Answer 3

-3.7=-21

-5.6=-30

-12.4=-48

-10.11=-110

-12.12=-144

Answer 4

\(-3\cdot7=-21\)

\(-5\cdot6=-30.\)

\(-12\cdot4=-48.\)

\(-14\cdot5=-70.\)

\(-10\cdot11=-110\)

\(-12\cdot12=-144.\)