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zachattack354
01.07.2021 •
Mathematics
Pleaseeeeee Helppp meee!
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Answers on questions: Mathematics
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Ответ:
20!
Step-by-step explanation:
1. 20 = 10 + 10
2. 20 = 40 - 20
3. 20 = 2 × 10
4. 20 = 40 ÷ 2
5. 20 = 10 + 6 + 4
6. 20 = 5 × 4
7. 20 = ?
8. 20 = 60 ÷ 3
ohh someone already answered
Ответ:
16,384
Step-by-step explanation:
The seven marbles have different colours, so we can differentiate them.
Now, suppose that for each marble we have a selection, where the selection is in which jar we put it.
For the first marble, we have 4 options ( we have 4 jars)
For the second marble, we have 4 options.
Same for the third, for the fourth, etc.
Now, the total number of combinations is equal to the product of the number of options for each selection.
We have 7 selections and 4 options for each selection, then the total number of combinations is:
C = 4^7 = 16,384