The answer to the given permutation and combination are
To solve the given problems, we have to use permutation and combination
<h3>Permutation and Combination</h3>
This is a topic in mathematics that deals with the probability or number of ways an event can occur.
a)10P5

b) 6C2

c) This will be a multiplication of permutation of number. This becomes

This can happen in 58,500 ways.
d) To arrange 9 blocks in a row, she can do it in

she can do this in 9 ways
e) This can be solved using combination by writing it as

She can do this in 252 ways.
From the above calculations, the answer to the given permutation and combination are
Learn more on permutation and combination here;
brainly.com/question/9764004