Question

please answer this question fast please ​

Answer 1

a)IT IS USED TO SOLVE PROBLE.S EASILY

b)TO GET ANSWER IN A SINGLE STEP.

C)NO DIFFERENCE IN BOTH CASES

Answer 2

Answer:

II) RECIPROCAL OF -3/8=-8/3

so our answer is

2/7×-8/3=-16/21

II)

3/7×-2/3+4/7×-2/3

=-2/3(3/7+4/7)

=-2/3×7/7

=-2/3

PROPERTY USE IS DISTRIBUTIVE PROPERTY

a)its becoz this property says that "a(b + c) = ab + ac"

b)we can simply but its more calculatinga and larger

so for short way we use property

c)no