Ответ:

Пошаговое объяснение:

write these percentages in their simplest form  

1%=1/100=0.01.

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a)  0.1% = 1/1000=0.001;

b)  0.2%=2/1000 = 0.002;

c)  0.3%=3/1000=0,003;

d)  0.4%=4/1000=0,004;

e)  0.5%=5/1000=0.005.