Simplify the expression, please.

(-2)^5

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z

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

Chuck is making a salad to go with his soup. the recipe calls for 2.1 cups of lettuce per person and 0.56 ounces of salad dressing per cup of lettuce. if 11 dinner guests want salad, how many ounces of dressing will be necessary? round the answer to the nearest whole ounce. 1 ounce 2 ounces 6 ounces 13 ounces