3 years ago

CAN SOMEONE PLEASEEE HELP SIMPLIFY THESE TWO EXPONENT PROBLEMS I HAVE NO CLUE HOW

1 answer:

6 0

Answer:

20. $-\frac{y^{12} }{9x^{4} }$

Step-by-step explanation:

21. $3 x^{2} y^{2}$

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