The quantity of an element is decaying over time such that the amount of material at any time is given by the function D(t) = 1900(0.9)3t. Write an equivalent function
of the form D(t) = ab'.

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Which rule describes the composition of transformations that maps △abc to △a”b”c