Question

Find the units place of 766¹⁷⁹³+615³¹⁷+101¹⁰⁰
) 5
2​

Answer 1

Step-by-step explanation:

Periodicity of 6 is 6,

Periodicity of 5 is 5,

Periodicity of 1 is 1,

Therefore,

Unit place of 766^1793 = 6

Unit place of 615^317 = 5

Unit place of 101^100 = 1

Sum of Unit place = 6+5+1 = 12

Hence unit place of the term is 2