Kealyn is reading a book. the books thickness is 31 millimeters. which is the correct thickness in centimeters.

We are given

The books thickness is 31 millimeters

we know that

1 millimeters=0.1 centimeters

so, we can write

31 millimeters=31*1 millimeters

so, we can 1 millimeters

we get

31 millimeters=31*0.1 centimeters

now, we can multiply

we get

31 millimeters=3.1 centimetersAnswer

this is answer of 144 cubic meters

i believe the correct answer is option 4.principalities were small territories that were run by russian rulers.

which statement correctly defines principalities in northern asia in the 1200s? principalities were small territories that were run by russian rulers.

hope i could ! : )