Question

Find each of the followin
(a) 3 * (-1)
(c) (-21)*(-30)

Answer 1

Answer:

3×(-1 )

ANSWER = -3 ( '+' × '-' = '-' )

(-21) × (-30)

ANSWER = 630 ('-' × '-' = '+' )

Answer 2

Answer:

a) (3)(-1)

= -3

b). (-21)(-30)

= 630

hope this helps u ❤..