0.3 inches = 0.025 foot
Seven tenths of an inch can be represented as 7/10" (or 0.7 inch), where "inch" can be abbreviated by a single, double-quote character and is defined as 1/12 of a foot, which is 1/3 of a yard, which is 1/1760 of a mile.
There are 80 tenths-of-a-foot in 8 feet. But this measurement is rarely used. There are 800 tenths of an inch, also rarely used.
7 tenths of an inch is just 7 tenths of an inch (7/10) or another way 0.7" or 17.77mm
3
Expressed as a decimal fraction, 3/10 of an inch is equal to 0.3 inches.
There 12 inches to a foot, so 120 tenths of an inch to a foot.
Seven tenths of an inch can be represented as 7/10" (or 0.7 inch), where "inch" can be abbreviated by a single, double-quote character and is defined as 1/12 of a foot, which is 1/3 of a yard, which is 1/1760 of a mile.
4 inches = 4/12 feet = 1/3 foot = 3-1/3 tenths of a foot.
Is this what you meant your question to be? "Is 3 tenths of an inch a third of an inch?" If so, the answer is no. 1/3" = 0.333333333333…inches, where 3/10" = 0.3 inches excatly.
There are 80 tenths-of-a-foot in 8 feet. But this measurement is rarely used. There are 800 tenths of an inch, also rarely used.
Nine tenths of an inch = Nine tenths of an inch, or 90% of an inch. Or did you mean to ask what is nine tenths of an inch in 8ths, or 16ths, or . . . .
1.25 tenths of an inch.
Every eighth is 11/4 tenths. Multiply eighths of an inch by 1.25 to get the same length in tenths of an inch.
3 and 8 tenths
7 tenths of an inch is just 7 tenths of an inch (7/10) or another way 0.7" or 17.77mm
five tenths of an inch (5/10)
A tenth is 1/10 of foot (ft.), or .1-ft. Converting the units, this calculates to 10 tenths comprising 1-foot.