7/25
2.81*104 or 2.81E4
1 - 28100 = -28099
7/25
It is simply 28100.0 as a decimal
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 28100, exactly as in the question.
363/500
12 over 25
1/8
17/68 = 1/4
wait I meant what is 3 1/56
19/40 is in the reduced form as there is no whole number that divides 19 and 40 evenly (remainder zero).
40/8 = 5/1 = 5