si el diametro del atomo de aluminio 0.5 nm, ¿cuantos atomos existen en un grano con un tamaño de grano ASTM de 5?​

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

The weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1387 grams and standard deviation 161 grams. what is the probability that a randomly selected broiler weighs more than 1,425 grams?