Question

unit digit (5627) power 153* (671)power
72​

Answer 1

Step-by-step explanation:

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1. ☆____(5627)^153

=> First 153 divide by 4

Then,

It's remainder is new power of 7

That is,

=> (7)^1 = 7 [ Equation 1]

2_____☆__ (671)^72

=> 1 [ Equation 2]

Multiply equation 1 and 2

=> 7