52.94% of the viewers prefer videos on a mobile or laptop device
<h3>How to determine the percentage?</h3>
The given parameters are
Viewers that prefer videos on a mobile or laptop device = 18
Total number of viewers = 34
The percentage of voters in this category is then calculated as
Percentage = 18/34 * 100%
Evaluate the expression
Percentage = 52.94%
Hence, 52.94% of the viewers prefer videos on a mobile or laptop device
Read more about percentages at:
brainly.com/question/843074
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It's hard to read your picture
But if your equation is
(-3)^2 + (-2)^3
then its:
-3*-3 + -2*-2*-2 = -9 - 8 = -17
It really depends what you're understanding or how the problem is set up.