Pls answer this question fast. i need this by an hour.

What is the simplified form of 7 √x • 7 √x • 7 √x • 7 √x?

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?

Look at the chart showing the results of a baseball player at bat. which is the probability of getting a hit?