Please help!!! The last one. Word answer

Mathematics

1 answer:

liberstina [14]3 years ago

4 0

Often, variability is most usefully expressed in the same units as the original data. That's what <em>standard deviation</em> (square root of variance) does. In situations where that is the case, the variance is useful only for getting to the value of standard deviation.

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zalisa [80]

3)

$\bf ~~~~~~~~~~~~\textit{negative exponents}\\\\
a^{-n} \implies \cfrac{1}{a^n}
\qquad \qquad
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\qquad \qquad 
a^n\implies \cfrac{1}{a^{-n}}
\\\\
-------------------------------\\\\
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4)

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rjkz [21]

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4 0

3 years ago

Read 2 more answers

Does (40,0) make the equation y=0 true?

Basile [38]

Use the substitution method for y=0

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