It is: 543+250 = 793
No
553
500
There are many phones that are better than the Vodafone 543. Get yourself an iphone or an android
First, note that 3 is less than 5; so we'll round 543 down to 540.Then, note that 4 is also less than 5; so we'll round 540 down to 500.5, however, is greater than or equal to 5; so we'll round 500 up to 1,000.Finally, we note that 1 is less than 5; so we'll round 1,000 down to 0.0 rounded is 0, so our estimation is complete and our estimate is 0.
543
543 is not prime. 543 = 3 * 181
543
543
543 + 78900000 = 78900543
1 3 181 543.