Question

unit digt of 6⁴² shdhdbndhhbxbdhhdxnbdbfhnxjxnxndx

Answer 1

Taking the question from the basic level,

${6}^{1}$ = 6

${6}^{2}$ = 36

${6}^{3}$ = 216

We can see, on any positive power of 6, the unit digit is 6.

Thus the unit digit in ${6}^{42}$ will be 6.