Powers mod n, last digits Quiz

Name: ______________________   Date: __________   Score: ____ / 10

10 questions. Calculator allowed. Show your working. steplyclass.com/discrete-math/powers-mod-n-last-digits/quiz/

1. 1

   Calculate 3¹⁰⁰ mod 5
   1. A) 9
   2. B) 1
   3. C) 4
   4. D) 3

2. 2

   Last digit of 7¹⁰⁰

   Answer: ____________________

3. 3

   Calculate 4³⁰ mod 5
   1. A) 1
   2. B) 4
   3. C) 16

4. 4

   Calculate 3⁴⁵ mod 7

   Answer: ____________________

5. 5

   Last digit of 9⁷⁷
   1. A) 9
   2. B) 81
   3. C) 1

6. 6

   Remainder when 2¹⁰⁰ is divided by 5

   Answer: ____________________

7. 7

   Calculate 2³⁵ mod 9
   1. A) 8
   2. B) 2
   3. C) 5
   4. D) 4

8. 8

   Calculate 3²⁰⁰ mod 13

   Answer: ____________________

9. 9

   Remainder when 4¹⁰⁰⁰ is divided by 7
   1. A) 2
   2. B) 4
   3. C) 8
   4. D) 16

10. 10

    Last digit of 4⁷⁷⁷

    Answer: ____________________