Question

Calcule:
a) (-2).(-4).(-7).(-3)=

b) (-1).(-3).(+4).(-2)=​

Answer 1

a)

$8 \times 7 \times 3 \\ 56 \times 6 \\ 168$

b)

$- (1 \times 3 \times 4 \times 2) \\ - (12 \times 2 ) \\ - 24$