Question

unit place digit answer the question​

Answer 1

Answer:

e

This is answer hope helps

Answer 2

Answer:

${7}^{55} - {3}^{29} \\ {7}^{52} \times {7}^{3} - {3}^{28} \times3 \\ 343 - 3 = 340 \\ unit \: digit = 0$