They are equal to whatever they are equal to.
3
the 3 digits is the ones place the 5 digits is the tenths place the 9 digits is the hundredths place
Ones place in 10 is 0.
83
12
No.
415
ten ones with an infinite number of zeroes.
15
6
The number is 44; 4 + 4 = 8.
412