the unit digit in 7¹⁰⁵?
Answers
Answered by
0
Answer:
7
Step-by-step explanation:
unit digit in 7¹=7
unit digit in 7²=9
unit digit in 7³=3
unit digit in 7⁴=1
unit digit in 7⁵=7
so cyclocity of 7=4
7¹⁰⁵=7¹⁰⁴×7¹
unit digits=1×7
=7
If you understood well then it is my pleasure.
Similar questions