If n is a positive integer what is the remainder when 3^(8n+3) is divided by 5?
A)7
B)5
C)2
D)1
E)0
Please help!! THX!!!
A)7
B)5
C)2
D)1
E)0
Please help!! THX!!!
powers of 3 follow the pattern:paonie wrote:If n is a positive integer what is the remainder when 3^(8n+3) is divided by 5?
A)7
B)5
C)2
D)1
E)0
Please help!! THX!!!
3
9
7
1
3
9
7
1
.
.
.
sub:for n in the given
say n=1 we need to find the value of 3^11
say n=2 we need to find the value of 3^19
In both cases, it will end with 7
Reminder when 7 is divided by 5 is 2
IMO: C
