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neonofarm [45]
3 years ago
9

Help plz. I think the starting number is 100% Buu I don't know.

Mathematics
1 answer:
zavuch27 [327]3 years ago
4 0

Answer:

19%

Step-by-step explanation:

if the starting number is 100 then 100 decreased by 10% is 100 times 0.9 =90

and decrease 10% again is 81 and in total decrease by 19%

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Step-by-step explanation:

Anything divided by itself is 1.

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2 years ago
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To multiply all you need to do is count how many times you see a negative number. If you see an even number of negatives then the answer will be positive because on the number line you went from one side to the other multiple times, left right left right and all that jazz. Hopefully i made this make more sense to you, if there is anything i need to clarify on please make it known so i can edit my answer.

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