Yes it is a rational number because it can be expressed as 10/9 as an improper fraction
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To convert the decimal 3.5555556 to a fraction, we can first write it as 3.5 + 0.0555556. 3.5 is equal to 7/2. To convert 0.0555556 to a fraction, we can write it as 5555556/100000000 and simplify it to 617284/11111111. Therefore, 3.5555556 as a fraction is 7/2 + 617284/11111111, which can be combined to (77777777 + 617284)/11111111 = 78395061/11111111.
No, none of them.
Only itself and one because it's a prime number
4.6 is rational.
No, it is rational.