azocher26 azocher26

14-06-2021
Mathematics

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What base makes the equation below true?

Note: A number should be entered, not a word.

What base makes the equation below true Note A number should be entered not a word class=

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Аноним Аноним

15-06-2021

Answer:

4

Step-by-step explanation:

in base 4

21 = (2 * 4) + (1 * 1) = 9

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