Simplify.

Rewrite the expression in the form y^n

y^-4•y^3

Step-by-step explanation:

This question is asking us to rewrite the original expression it in the form

First we have

By the law of exponents we know that when we are multiplying expressions that have the same base, we need to add up the exponents.

Thus, this would mean that, in order to multiply this expression, we need to sum up the exponents so we have:

Thus, this expression can be rewritten as:

"if it is my birthday, then it is snowing"

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