Thanks for the help UwU

Which of the following tables represents exponential functions?

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.