Show that 38/7root3 is irrational

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 25002500 grams and a standard deviation of 800800 grams while babies born after a gestation period of 40 weeks have a mean weight of 27002700 grams and a standard deviation of 385385 grams. if a 3232-week gestation period baby weighs 21252125 grams and a 4040-week gestation period baby weighs 23252325 grams, find the corresponding z-scores. which baby weighs lessless relative to the gestation period?

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is