Evaluate the expression. write your answer in scientific notation. (4.2×10^8)+(5.9×10^9)=

Problem fathi wants to print out a pdf document that is 48 pages long. to save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet. how many sheets of paper will he need?

Of the ones listed here, the factor that had the greatest impact on the eventual destruction of native americans' ways of life was the development of the a) automobile. b) highway. c) railroad. d) steamboat.

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box