Question

perform the modular arithmetic operation.
[(5-9)x3] (mod 5)
A.1
B.2
c.0
D.3

Answer 1

is that an x or * ?\[\huge (5-9)3 \mod5\]

Answer 2

first just do the math in front of the mod. What do you get?
Then you can use the "clock" method for figuring out the remainder. Have you heard of the clock method?

Answer 3

its a * .. to multiply

Answer 4

What is (5-9)x3 ?

Answer 5

-12?

Answer 6

Now add 5 repeatedly to that until you get some number in the range from 0 to 4

Answer 7

3..?

Answer 8

good

Answer 9

so the answer is 3?

Answer 10

yes