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why are the noble gases not very reactive?

Alivestock company reports that the mean weight of a group of young steers is 1100 pounds with a standard deviation of 93 pounds. based on the model n(1100,93) for the weights of steers, what percent of steers weigh a) over 1050 pounds? b) under 1300 pounds? c) between 1150 and 1250 pounds?

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?

What is the frequency if a wave that pases a given pount 22 times in 2 seconds