Question

Which expression is equivalent to 7(xy)

7x+y

7x-y

x(7y)

xy/7

Answer 1

x(7y) this is what it would be

Answer 2

Answer:
`x(7y)`

Explanation:

The given expression:
`7(xy)`

i.e. a product of 7 and xy.

The operation used here: Multiplication.

Commutative property of multiplication :-

`a* b=b* a` for any numbers a and b.

Associative property of multiplication :-

`a*(b* c)=(a* b* c)` for any numbers a , band c.

Now,
`7(xy)=(7x)y` [Associative property of multiplication]

`=(x7)y` [Commutative property of multiplication]

`=x(7y)` [Associative property of multiplication]