Yes. Let me show you why.
let's represent the number with the variable 'x'
x = 0.4444...
x * 10 = 10 * 0.4444...
10x = 4.4444...
- x = 0.4444...
9x = 4
x = 4/9
Rational numbers by definition must be able to be represented by a fraction.
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The second one.
There are infinitely many numbers between any two numbers.For example, between 04 (=4) and 05 (=5), there are4.0000000000000000000020024.00000000000000000000200214.00000000000000000000200224.00000000000000000000200220034.999999
The number that is 225 percent of 4 is 9. This number can be checked by converting 4 to a decimal and multiplying 225 by .04. The answer of 9 will be returned.
0.08
Yes. Think of it this way: 0.540 and 0.504. Look at the last two number spots. 40 is bigger than 04 (or simply 4).