Easy
nPr=

here
36P19=



1045843337171591729971200000
The answer for your question is 12/15
D would not correctly solve the problem it is adding more kittens instead of eliminating the ones already known
1) 0.07 zeros only matter if there is a non-zero digit, as well as the decimal to the left of it
2)90,000 it would have been 89000 if the 972 had been an 872
3).00420 must include the last zero, it is considered significant because of the reason in number one
Answer:
15 items Emma packed in the bag .
#Hope it helps!!