12
caluclator
2 and 7/8ths
34 = 81 , no, that would be three to the third, three to the fourth would be 81 X 3 = 243
One third of 3 3/4 is 1 1/4
yes
one fourth
Nope, one third means one out of three which is bigger than one fourth which means one out of four.
23/12
Two third is less than three fourth.
One fourth is three twelfths. So one twelfth plus three twelfths is four twelfths, which is also one third.
1/3 ÷ 3/4 = 4/9
The value of Pi (3.1415927) to three significant figures is 3.142. If you look at the number, you're concentrating on the third & fourth digits after the decimal point. since the fourth digit is 5 or more, you round UP the third digit.