Question

Find the product, using suitable properties:
(a) 15 X (-25) X (-4)×(-10)
(b) (-57)*(-19) + 57
​

Answer 1

a) [15*(-25)] * [(-4)*(-10)]
= (-375) * (40)
= -15000 is ans

b) (-57)* (-19) + 57
= [(-57)* (-19)] + 57
= (1083) + 57
= 1140 is ans

Answer 2

Answer:

a) 15 × (-25) ×(-4) × (-10)

15(-25)(-4)(-10)

= 15(100)(-10)

= 1500(-10)

= - 15000

b) (-57)(-19)+57

= 1083+57

= 1098

I hope this is helpful to you.

plz mark as brilliant answer please.