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Arturiano [62]
4 years ago
13

Which expression is equivalent to (3^2)^-2? A.)–81 B.)–12 C.)1/18 D.)1/12

Mathematics
1 answer:
kobusy [5.1K]4 years ago
7 0
(3^2)^-2
9
9^-2 = 1/9^2 ---> 1/81
should be 1/81
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Multiplying a vector by a plain number is referred to as scalar multiplication.<br> True or false?
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eimsori [14]

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Step-by-step explanation:

We are given that,

Movie type                        Number of movies

Comedy                                        8

Action                                           6

Fantasy                                         5

Drama                                            1

Then the total number of movies = 8+6+5+1 = 20

<h3><em>So, we will find the ratio of each type of movie out of total movies.</em></h3>

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Ratio of action movies = \frac{6}{20}=\frac{3}{10}

Ratio of fantasy movies = \frac{5}{20}=\frac{1}{4}

Ratio of drama movies = \frac{1}{20}

Since, we have,

<h3>Ratio of comedy movies = \frac{8}{20}=\frac{2}{5}</h3>

Thus, 'For every 5 movies on the list, there are 2 COMEDY movies'.

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