Question

1. Find the product using suitable rearrangement.
(a) (-40) X 4 X 125
​

Answer 1

Answer:

-40×(125×4)=-40×500= -20,000

Answer 2

Answer:

EXPLANATION:

TO DO REARRANGMENT WE KNOW THAT :

FIRST MULTIPLY ALL THE POSITIVE INTEGER .

THEN MULTIPLY POSITIVE INTEGER TO NEGATIVE INTEGER .

SOLUTION:

= (-40)×4×125

REARRANGED :

= 4×125×(-40)

= 500×(-40)

$\implies \boxed{\fcolorbox{red}{green}{-20000 is the answer}}$

HOPE IT HELPS YOU