Hey! i know how to compare scientific notation, but i don't understand what they are asking me to do here.
in 2010, the number of participants in a checkers tournament was 2.6 × 104 people. in 2013, the number of participants in a checkers tournament was 5.2 × 106 people. by what factor did the number of participants increase from 2010 to 2013?
a
7.8 × 1013
b
2 × 1013
c
7.8 × 102
d
2 × 102

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

Which expression will have the same sum as 3_8 + 1/4?

The school that imani goes to is selling tickets to the annual dance competition. on the first day of the ticket sales the school sold 7 adult tickets and 5 child tickets for a total of $96. the school took in $40 on the second day by seling 3 adult tickets . find the price of an adult ticket and the price of a child ticket. solve by using substitution elimination college prep algebra math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this.