How many different segments can be created from 8 collinear points

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?

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.