Let number = n
the sum of a number and 2: n + 2
is no more than: ≤
the product of 9 and the same number: 9(n)
n + 2 ≤ 9n is your answer
hope this helps
3127^173 ≡ 7^173 mod 10
Now - let's look at the powers of 7 mod 10:
7^1 = 7 mod 10
7^2 = 49 ≡ 9 mod 10
7^3 ≡ 3 mod 10
7^4 ≡ 1 mod 10
And this cycle repeats. So
7^173 ≡ 7^1 ≡ 7 mod 10
The last digit is 7.
Answer:
681
Step-by-step explanation:
5x6=30
30x30=900
2x6=12-10=2
900+2=902
5x3=15
15x15=225
2x3=6
6-10=-4
225-4=221
902-221=681
Answer: 15 lines of symmetry.
Step-by-step explanation:
