The plesiosaur’s stomach had 2.25 kilograms of gastroliths. The largest stone was 0.074 meter long, 0.048 meter wide, and 0.022 meter thick. 3. Write the length of the largest stone as a number name and in expanded form.
Please hurry!

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.