Question

2. When Number is Given in the form of Index
If the unit's digit number are 0,1, 5 or 6, then the resultant unit's digit remains
same.
For example, (576)1151, its units digit is 6. (155)120, its unit digit is 5,
(191)", its unit digit is 1. (900)51, its unit digit is 0.
* If units place is 2, then the power of the number is first divided by 4 and there
after represented in the form of 24.
For example
143)
(2)443 = (2)
taking units place digit
= (24,110 x23 = 24 x 23
1: (24,110 = 24)
= 16 x 8 taking units place digit
Units place is 8
(572)443
i.e.,​

Answer 1

Answer:

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Answer 2

Answer:

(572)^443

#....unit's place digit in (572)^443 =

unit's place digit in (2^4)^110 ×( 2)^3

..,,..................................(2^4) × (2^3)

unit's place digit in = 16 × 8

= 6 × 8

unit's place digit in = 48

unit's place digit in 48 = 8

ans is 8