Shania is having trouble understanding her algebra assignment. to her understand, she asks mark why is not equal to . which of the following responses would be best for mark to give?
a.
ñyou should multiply the exponents rather than add them. the correct answer is .î
b.
ñthe x and y are in the wrong order. the correct answer is .î
c.
ñthe multiplication property of exponents only holds when the numbers being multiplied have the same base. since the bases are different, the expression cannot be simplified any further.î
d.
ñ

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.