How many blocks do you need to add to Square 6 to get Square 7? to Square 9 to get Square 10? to Square 19 to get Square 20? Explain using powers. You need to add , or 2 −
2 blocks to Square 6 to get Square 7.

You need to add 19, or 2 −
2 blocks to Square 9 to get Square 10.

You need to add 39, or 2 −
2 blocks to Square 19 to get Square 20.

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.