What expressions are equivalent to 5 to the second power times 9 to the second power

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl

Janice determined there were 10 possible outcomes when tossing two coins and spinning a spinner numbered 1 through 6. what is the correct number? what might have been janice's error?