The best way would be to weigh it and then weigh out tenths.
Otherwise you could note that 1 cup is 240 ml and one tenth of that is 24 ml. Since salt is not a liquid I think the weight idea works MUCH better.
Three and five tenths divided by three and four tenths is 1.0294.
8 and 4/7
2
one
6/10 divided by 7/10 is 0.857142857142857
seven tenths
0.3478
Not by itself. A cup of salt may be a fraction of the total amount of salt in the world, but just sitting there, a cup of salt is a cup of salt.
0.625
I donβt know
Anytime you have a number divided into "TENTHS" the answer is 10!
3/5