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2 years ago

12

21, 18, 45, 33, 4, 12, 21 Mean: Median: Mode: Range:

1 answer:

Dmitriy789 [7]2 years ago

8 0

Mean - 22.

Median - 33.

Mode - 21

Range - 41.

Hope this helps! :)

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Which expression is equivalent to 36^-1/2

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ANSWER

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EXPLANATION

The given expression is

${36}^{( - \frac{1}{2} )}$
This is having a negative index. We must first of all change to a positive index.

Recall that,

${a}^{ - m} = \frac{1}{ {a}^{m} }$

We apply this law of exponents to get,

${36}^{( - \frac{1}{2} )} = \frac{1}{ {36}^{( \frac{1}{2} )} }$

We cab rewrite the given expression to obtain;

${36}^{( - \frac{1}{2} )} = \frac{1}{ \sqrt{36} }$

This will simplify to give us,

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