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Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"

20 points! plz now and fast plzz im so over do! which measure will you calculate how much the babies' weights vary, on average, from their mean weight? thirteen babies were born in a hospital on the same day. the weights of the babies (in pounds) were 5.5, 6.4, 5.8, 8.1, 9, 7.6, 8.2, 7.2, 8.8, 6.6, 5.4, 7.7, and 6.9. a. mode b. interquartile range c. range d. mean absolute deviation e. quartile