I assume you mean "black holes". Yes, it is now considered quite certain that they do, indeed, exist. Please note that the properties of black holes in Science Fiction are often quite different than those of real black holes - basically, whatever suits the author's plot.
6 wholes and 1 fifth or 6 wholes and 2 tenths.6 wholes and 1 fifth or 6 wholes and 2 tenths.6 wholes and 1 fifth or 6 wholes and 2 tenths.6 wholes and 1 fifth or 6 wholes and 2 tenths.
.75
Ten fifths make two wholes.
6 wholes and 7/12
There are 16 halves in eight wholes.
You can make 3 wholes
There are 21 thirds in 7 wholes.
Space is not black, space is transparent.
23 of 4 wholes = 92.
There are: 15/3 = 5 wholes
8.66-3.86=4.8=4 wholes and 17 over 21
To find out how many thirds are in five wholes, you can multiply the number of wholes by the number of thirds in one whole. Since one whole is equal to three thirds, five wholes would be 5 × 3 = 15. Therefore, there are 15 thirds in five wholes.