Question

a) (+2).(+7).(+10)

b) (-4).0.(+3).(-8)

c) (+5).(-3).(+2).(+1).(-2)

d) (-1).(+2).(-2).(+5).(-3)

e) (-2).(-5).(-1).(-3)

f) (-10).(-2).(-2).(-10).(-2)

Answer 1

a) (+14).(+10)=+140
b) 0.(-24)=0
c) (-15).(+2).(+1).(-2)=(-30).(+1).(-2)=(-30).(-2)=60
d) (-2).(-2).(+5).(-3)=(+4).(+5).(-3)=(+20).(-3)=(-60