Question

29.
What is the unit digit of the expression 314^564* 351^174

A 3
B] 1
C) 5
D] 6​

Answer 1

Answer:

d)6

Step-by-step explanation:

make the question in 2 parts one is 314^564 and other is 351^174

now 314^564 will have 6 in the units place

you can check it any number ending with 4 gives 4 in units digit if the power is odd and 6 if power is even

351^174 will always end with 1

their products unit didgit is multiplication of their unit digit that is 1×6=6