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I've never been good at math he told he loves but he keeps cheating on me, so it ain't adding up sis

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?

What is (2.5a^8n)^3 · (0.4^7n)^3 can you plz simplify this quickly offering lots of points