543
543 rounded to the nearest tens place is 540.
-543 is rational. It is a whole number so it cannot be irrational.
It is: 500
543 is not prime. 543 = 3 * 181
543
543 rounded to the nearest tens place is 540.
540
500
0
-543 is rational. It is a whole number so it cannot be irrational.
500
The least number that rounds to 6500 when rounded to the nearest hundred is 6450. When rounding a number to the nearest hundred, you look at the digit in the tens place. If it is 5 or greater, you round up; if it is less than 5, you round down. In this case, 6450 rounds up to 6500 when rounded to the nearest hundred.
It is: 500
Five hundred forty.
543 is not prime. 543 = 3 * 181
It is: 3543 = 3500 to nearest 100