Question

First find 4x x 5y and multiply it by 7z; or first find 5yx7z and multiply it by 4x.​

Answer 1

Answer:

140xyz

Step-by-step explanation:

4X × 5y = 20xy

20xy × 7z = 140xyz.

5y × 7z = 35yz

35yz×4x = 140xyz

Answer 2

Answer:

4x ×5y ×7z

=(. 4x × 5y) × 7z

= 20xy × 7z

= 140 xyz

4x × 5y × 7z

=(5y ×7z) × 4x

= 35yz × 4x

=140xyz

Step-by-step explanation:

We observe that the result is same in both cases and the result does not depend on the order in which multiplication has been carried out.

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