Because all whole numbers are rational. 10 can be written as 10/1.
A rational number which is a real number.
All whole numbers are rational. 10 = 10/1, as a ratio
1.5 is a rational number. It can also be written as 15/10
-0.5 is a rational number. It can also be written as -5/10
10 is a rational number.
-9.6 is a negative, real, mixed number. It's the ratio of -96 to 10, so it's rational.
9.5 is rational. It can also be written as 95/10
Rational, 7.7 is 7 7/10, or 77/10.
Because 10 has no fractional part; it is considered a whole number.
Between any two different real numbers, there are infinitely many rational numbers.