(6×100)+(3×100)+(9×1)+(2×0.1)+(5×0. 01) standard form

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

Given δjkl : δxyz, find x. a)10 b)12 c)16 d)20

Apasta salad was chilled in the refrigerator at 35° f overnight for 9 hours. the temperature of the pasta dish dropped from 86° f to 38° f. what was the average rate of cooling per hour?