Question

06) Find the unit digits of the expression
25⁶²⁵¹ + 36⁵²⁸ +78⁵⁴
a) 0
b)4
c) 5
d) 6​

Answer 1

Answer:

answer should be 9 or 0

Step-by-step explanation:

as.unit of 25 is 5

unit of 36 is 6

unit of 78 is 8

now by adding the units 5+6+8=19

unit of 19 is now 9