Question

1. Find the product of the following using suitable properties : (a) -256 x 104 (b)-7219 x 1005 (c) -49 x 995 (d) -251x97 with step by step explanation please ​

Answer 1

Answer:

a) -256 ×104= -256 ×(100+4)

-256×100 + ( -256 ×4)

b) -7219 × 1005= -7219×(1000+5)

-7219×1000 +(-7219×5)

c) -49×995 = (-50+1) × 995

(-50×995)+ 1×995

d) -251×97 = -251×(100-7)

-251×100- (-251×7)

hope it is useful.