rounded to the nearest ten... it would be 420.
420
1 square eter = 10.7639 square feet (rounded) 417 square eter = 4,488.55 square feet (rounded)
It is then 740 when rounded to the nearest ten.
It is 420
27.4 rounded to the nearest ten is 30.
30.089 rounded to the nearest ten is 30.
It is 2350 when rounded to the nearest ten
60
6512162 rounded to the nearest ten is 6512160.
320
2602 rounded to the nearest ten is 2600.
It is 160,000 when rounded to the nearest ten thousand