.78
2.875
The number is already in decimal form!
78
decimal equivalent of 78 over 8 = 9.7578/8:= 78 ÷ 8= 9.75 in decimal
.78
.78
2.875
7/8 is in simplest form. As a decimal, 7/8 = 0.875
The number is already in decimal form!
78
It is 78. There is no need for a decimal point after the number and it would be wrong to write it as 78.0 since that would suggest a level of accuracy that is not justified.
78/125
x.xxx is a fraction. It is a fraction in decimal form rather than in the form of a ratio. However, that does not stop it being a fraction. And, since it is a decimal fraction, there is not another simpler decimal form. Its equivalent, in rational form, is 78/100 which can be simplified to 39/50.
.78
decimal equivalent of 78 over 8 = 9.7578/8:= 78 ÷ 8= 9.75 in decimal
9278.0 is the decimal form of 9278. However, there can be as many zeros after the decimal point as you want or need. Some mathematicians may say 9278 is already in decimal form and that the decimal needs not be displayed since there is not a decimal and it is implied that the decimal for numbers without decimals is always at the end of the written number.