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alexira [117]
3 years ago
8

Will mark brainliest

Mathematics
1 answer:
ikadub [295]3 years ago
8 0

Answer:

3rd choice

Step-by-step explanation:

(7y^6)(2y^-4)^2

= (7y^6)(4y^-8)

Calculate:

(7y^6) * (4y^-8)

28y^-2

Express with a positive exponent:

28 * 1/y^2

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