Question

73^7×57^9 what is the unit digit?

Answer 1

8 is the unit digit

pls mark it as brainliest answer

Answer 2

3^7 gives the unit digit of 73^7 as 7 and
5^7 gives the unit digit of 57^9 as 3
so 73^7×57^9 gives unit digit as 3×7 =21
and thus unit digit is 1