The square of a number ending with 9 will end with?
(a) 1 (b) 3 (c) 6 (d) 9

B-3

Step-by-step explanation:

It is B because the square of a number ending in 9 is either 3 or 7, and the only one of those in the answer choices is 3, so B is correct.

7. d. 64

8. i. 32

9. c. 125

10. j. none of the above

11. d. 81

12. i. 216

13. e. none of the above

14. g. 240

15. e. none of the above

16. g. 32

17.   e. none of the above