How many artificially made weights are required (minimally) to weigh 2,4,6,...,80 kg and what should be they?


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Question Number 183617 by Rasheed.Sindhi last updated on 27/Dec/22

$H o w m a n y a r t i f i c i a l l y m a d e w e i g h t s a r e$ $r e q u i r e d (m i n i m a l l y) t o w e i g h$ $2, 4, 6, . . ., 80 k g$ $a n d w h a t s h o u l d b e t h e y ?$
Commented by Rasheed.Sindhi last updated on 27/Dec/22

Commented by mr W last updated on 27/Dec/22

${l e t}^{'} s s a y 1 T o m = 2 k g, t h e n y o u w a n t$ $t o w e i g h 1, 2, 3, . . ., 27 T o m s .$ $A s y o u c a n s e e f r o m Q 183583,$ $w i t h 4 w e i g h t s o f 1, 3, 9, 27 T o m s, y o u$ $c a n w e i g h a w e i g h t u p t o 40 T o m s .$ $t h a t m e a n s y o u n e e d a t l e a s t 4 w e i g h t s$ $(2, 6, 18, 54 k g) t o w e i g h 2, 4, 6, . . ., 54 k g .$
Commented by Rasheed.Sindhi last updated on 27/Dec/22

$T han X sir! your answer is very right$ $but my question is not very right . I$ $am going to edit it .$
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