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yanalaym [24]
3 years ago
11

Pleaseee Help. What is the value of x in this simplified expression?

Mathematics
1 answer:
Oduvanchick [21]3 years ago
7 0

9514 1404 393

Answer:

  x = 7

  y = 5

Step-by-step explanation:

The applicable rule of exponents is ...

  a^-b = 1/a^b

__

For a=-j and b=7,

  (-j)^-7 = 1/(-j)^7   ⇒   x = 7

For a=k and b=-5,

  k^-5 = 1/k^5   ⇒   y = 5

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