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111 sats \ 3 replies \ @_Bubble_2009 17 Apr \ on: [Not-so-daily puzzle] A short one science

For me only 0 can solve this question.
0
0,0
0,00
0,000
but probably I'm wrong

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0 sats \ 2 replies \ @south_korea_ln OP 17 Apr

Including a fractional part is indeed a good idea...

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134 sats \ 0 replies \ @Scroogey 19 Aug

4.5

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0 sats \ 0 replies \ @Scroogey 19 Aug

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