A student's incorrect attempt to simplify the exponential expression is shown. mạmb = (mn)
What is his mistake?
O He should have subtracted the exponents.
O He should have multiplied the exponents.
O He should have divided the exponents.
O The expression cannot be further simplified because the bases are different.

When only separate discreet points are graphed it is called?

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

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.