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The height of the image of the ditance from Elena's chin to her head after it has been scaled 80% 3 times is 76.8 mm
When an image is scaled, it means that its dimensions have been reduced by a certain percentage. In this question, the image is reduced by 80%.
The height of the image after it has been scaled = 150 x 0.8^3 = 76.8 mm
To learn more about scale drawings, please check: https://brainly.com/question/26388230