Yes, 6.23 is rational because it has terminating decimal. And it can be expressed in simple fraction, in the form of p/q, as 623/100, 6320/1000 etc.
It is to be remember that p and q are integers and q is not equal to 0.
only 1 and 623. 623 is not divisible by any number
409 + 623 = 1032
623
623
191
-81 + 623 = 542
3% of 623 is 18.69
1000 - 623 = 377
623 is rounded to the nearest unit.
623 is divisible by 7.
20% of 623 lbs (pounds) is the same as writing it: 0.2 x 623. Calculations say that 20% of 623 lbs is 124.6 lbs.
2/7 of 623 is 178