Whats the difference between communitive and associative property

For this case we have that by definition, the associative property states that:

The order in which the factors (or addends) are associated does not alter the product (or the sum).

On the other hand, the commutative property states that:

The order of the factors (or addends) does not alter the product (or the sum).

i believe the answer is 68cm

step-by-step explanation:

i just took 34 x 2 because the space between v and y is the same as y to k.