Hi,
is 2.86 a rational number
A rational number is Any number that can be made by dividing one integer by another.
2.86 = 286/100 ||| YES, it is a rational number
A RATIOnal number is the RATIO of two integers. 2.86 meanswhich means which is the RATIO of two integers 286 and 100. [And yes, although irrelevant, it reduces to which is also the RATIO of two integers.] A RATIOnal number is the RATIO of two integers, therefore 2.86 is a RATIOnal number. Edwin