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Tomtit [17]
2 years ago
5

Need help with this. Please explain step by step

Mathematics
1 answer:
Inga [223]2 years ago
5 0

25 base 8 = 21


5*8^0 = 5*1 = 5

2*8^1 = 2*8 = 16

                   =====

                      21

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