It ends in 1, so it is rounded down to give 6420.
It is 2350 when rounded to the nearest ten
60
2602 rounded to the nearest ten is 2600.
Rounded to the nearest ten it is: 564,630
It ends in 1, so it is rounded down to give 6420.
According to Wolfram Alpha (input: "factor 6421"), 6421 is a prime number.
75.5412
It is then 740 when rounded to the nearest ten.
rounded to the nearest ten... it would be 420.
It is 2350 when rounded to the nearest ten
30.089 rounded to the nearest ten is 30.
27.4 rounded to the nearest ten is 30.
60
2602 rounded to the nearest ten is 2600.
320
260