1) (+45)*(-13)=-(45*13)=-585
2) (+230)*(-48)=+(230*48)=-11040
3) (-505)*(-48)=+(505*48)=+24240
4) (-358)*(-5_=+(358*5)=+1790
5) (-24)*(-35)=+(24*35)=+840
6) (-125)*(-160)=+(125*160)=+20000
7) (-405)*(+28)=-(405*28)=-11340
8) (-72)*(+101)=-(72*101)=-7272
9) (+15)*(+16)=+(15*16)=+240