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otez555 [7]
2 years ago
12

Find the sum of the digits 10^15−1.

Mathematics
2 answers:
Shtirlitz [24]2 years ago
8 0

Answer:

135

Step-by-step explanation:

10^15 = 1 000 000 000 000 000

10^15 - 1 = 999 999 999 999 999

There are 15 nines

15*9 = 135

Alchen [17]2 years ago
4 0

Answer:

149

Step-by-step explanation:

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