It is already in decimal form.
3100 = 3,100.0
It is 26734400.
A decimal number is simply a way of representing a number in such a way that the place value of each digit is ten times that of the digit to its right. A decimal representation does not require a decimal point. So the required decimal representation is 3100, exactly as in the question.
3100 in decimal. 3764 in octal.
Three and one tenth.
122.05 inches (rounded to two decimal places)
217030% off of 3100= 30% less applied to 3100= 3100 - (30% * 3100)= 3100 - (0.30 * 3100)= 3100 - 930= 2170
3100
3100
3100 is an integer which can be expressed as a fraction as 3100/1.
3100
-3100 is an integer, not a fraction. You could write it in the form of a rational fraction as -3100/1.