They are, but sometimes a teacher/ program is looking for a specific decimal place to round too, or there can be a significant figure where another number in the problem can have two decimal places requiring two decimals in the answer meaning 0.20 can be a better answer than 0.2
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No. 020 is 20 and 039 is 39.
020 is the same as 20 which is 20/1 as an improper fraction
The scale factor (1000) must be squared for a square measure. 1 020 km2 = 1 020 km * 1 km = 1 020 000 m * 1000 m = 1 020 000 000 m2
.020"
146