Which expression is equivalent to 4^7 x 4^-5​

What is the volume of a rectangular prism if the length is 10.4 mm the width is 5 mm in the height is 8 mm

If i have 20$ and i gave 5$ away how much i got

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.