What is the first non-zero integer from the right in 2960 2960 − 1390 2908 ? Options: A . &nbsp8 B . &nbsp1 C . &nbsp9 D . &nbspNone of these

What is the first non-zero integer from the right in 29602960−13902908?

Question

What is the first non-zero integer from the right in

2960^{2960} - 1390^{2908}

Options:

A . 8

B . 1

C . 9

D . None of these

Answer: Option C
:
C
We need not consider

2960^{2960}

, as it will end in more number of zeroes.
Last non-zero digit of

1390^{2908}

= Unit digit of

139^{2908} = 1

.
Answer is (.......00 - .......1) = 9.

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