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goldfiish [28.3K]
3 years ago
12

Please help meeeeee simplify the expression

Mathematics
1 answer:
inessss [21]3 years ago
5 0

Answer:

y^6, 12n^6, 20x^9

Step-by-step explanation:

When you multiply like variables with each other, you add their powers together.

So...

1.   (y^2)(y)(y^3)\\y^{2+1+3} \\y^6

2.  (3n^2)(4n^4)\\12n^{2+4}\\12n^6

3.  (5x^4)(4x^5)\\20x^{4+5}\\20x^9

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