Juan says, "when you put together unequal groups, you can only add." is he correct? explain.

Consider two groups

A = {1,w,w²}, Identity element =1

And, B= {1,-1}Identity element =1

Both are forming groups with respect to multiplication.

The first group A has 3 elements and the second group B has 2 elements.

Do, you think can we add them.

How will you add them, there are three elements in group A and 2 elements in group B, giving no benefit.

No, we can't add them.

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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