3 years ago

Question in the photo

Mathematics

1 answer:

ivann1987 [24]3 years ago

6 0

Answer:

the exponent of x is 4

Step-by-step explanation:

The applicable rules of exponents are ...

(a^b)/(a^c) = a^(b-c)

a^-b = 1/a^b

$\dfrac{6xy^{-2}}{x^{-3}}=\dfrac{6x^{1-(-3)}}{y^2}=\dfrac{6x^4}{y^2}$

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<h3>Z score</h3>

Z score is used to determine by how many standard deviations the raw score is above or below the mean. It is given by:

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Hope this helps!!

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