Tentukan angka satuan pada bilangan 123 pangkat 234​

3¹ = 3

3² = 9

3³ = 27

3⁴ = 81

3⁵ = xx3

3⁶ = xx9

3⁷ = xxx7

3⁸ = xxx1

3, 9, 7, 1 berulang

Perpangkatan

1 = 5 = (5 : 4) = 1 sisa 1,

2 = 6 = (6 : 4) = 1 sisa 2

3 = 7 = (7 : 4) = 1 sisa 3

4 = 8 = (8 : 4) = 2 sisa 0

sisa 0 satuan 1

sisa 1 satuan 3

sisa 2 satuan 9

sisa 3 satuan 7

hingga

234 : 4 = 58 sisa 2

123²³⁴ satuannya = 9