3. ricardo has 2 cases of video games with the same number of games in each case. he gives 4 games to his brother. ricardo has 10 games left. how many video games were in each case?

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

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.

What numbers are included in the set of integers? what numbers are not included?