PLEASE FOR THE LIVE OFF GOD HELP ME THE QUESTION IS IN PHOTO PLEASE ANSWER IT RIGHT AND SONT STEAL POINTS PLEASE :

What is the number 321,000,000 in scientific notation? also what is the number? ?

Questions 7-8. use the following table to answer. year 2006 2007 2008 2009 2010 2011 2012 2013 cpi 201.6 207.342 215.303 214.537 218.056 224.939 229.594 232.957 7. suppose you bought a house in 2006 for $120,000. use the table above to calculate the 2013 value adjusted for inflation. (round to the nearest whole number) 8. suppose you bought a house in 2013 for $90,000. use the table above to calculate the 2006 value adjusted for inflation. (round to the nearest whole number)

Cone a has a surface area of 384 ft2 and cone b has a surface area of 96 ft? . what is the ratio of their volume?