Oh, dude, rounding numbers? That's like math for people who can't handle the whole shebang. So, 5.43, right? Let's just chop off the .43 bit and call it a day. Rounded to the nearest whole number, that bad boy is a solid 5. Cool? Cool.
No. 543 is not divisible by 6. An odd number will never be divisible by an even number.
2
Well, honey, the greatest odd number you can make using 3, 4, and 5 only once each is 543. It's odd because the last digit is 3. So, there you have it, darling, 543 is the winner in this odd number game.
543 + 78900000 = 78900543
198
543
It is: 8,500
It is: 3543 = 3500 to nearest 100
Five hundred forty.
-543 is rational. It is a whole number so it cannot be irrational.
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.
543 rounded to the nearest tens place is 540.
In the decimal system a tenth is 0.1 so there are no tenths involved here and the rounding is no approximation: 543.0
It is: 500
543 is not prime. 543 = 3 * 181
540
500