What is the product of 8.2 × 109 and 4.5 × 10-5 in scientific notation? 36.9 × 10-45
12.7 × 104
3.69 × 105
3.69 × 1014

Write a story that matches with the expression 42x-5 pls hurry

At the olympic games, many events have several rounds of competition. one of these events is the men's 100-meter backstroke. the upper dot plot shows the times (in seconds) of the top 8 finishers in the final round of the 2012 olympics. the lower dot plot shows the times of the same 8 swimmers, but in the semifinal round. which pieces of information can be gathered from these dot plots? (remember that lower swim times are faster.) choose all answers that apply: a: the swimmers had faster times on average in the final round. b: the times in the final round vary noticeably more than the times in the semifinal round. c: none of the above.

Match the one-to-one functions with their inverse functions.