Answer:
0.4 and 40%
Explanation:
0.4 and 40% can both be expressed as 2/5, however 4/100 cannot, as the simplified form of that is 1/25.
It is 0.4 and 40%
Because if you divide 2 by 5 you get 0.4 and 0.4 is the same and 40% however, 4/100 is 0.04 or 4%
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