Question

13. The highest power of 3 that completely divides 40! is
(a) 18 (b) 15 (c) 16 (d) 17​

Answer 1

Answer:

(b) 15

Step-by-step explanation:

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Answer 2

Answer:

a) 18

Step-by-step explanation:

[40/3] + [40/9] + [40/27] + [40/81] + ...

=13 + 4 + 1

=18