Question

which is unit digit of 6^18-5^10​

Answer 1

Answer:

unit digit is 1........

Answer 2

unit digit of 6¹⁸ - 5¹⁰  = 1

Step-by-step explanation:

6¹⁸ - 5¹⁰

6 * 6 = 36

36 * 6 = 216

6 multiplied by 6 always ends with 6

=> 6¹⁸ will end with 6

5 * 5 = 25

25 * 5 = 125

125 * 5 = 625

5 multiplied by 5 always ends with 5

=> 5¹⁰ will end with 5

6¹⁸ - 5¹⁰  will end with 6 - 5 = 1

unit digit of 6¹⁸ - 5¹⁰  = 1

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