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2006-12-26 17:18:41 · 8 answers · asked by HIGH low 2 in Science & Mathematics ➔ Mathematics
The answer is 25
2006-12-26 17:20:56 · answer #1 · answered by Anonymous · 0⤊ 0⤋
Powers of 5 have an interesting pattern all powers of 5 have the last two digits of 25 (well, except for 5 and 1 but that's a given).
Why?
b/c 5^2 sets up the pattern: 5^2 = 25
When you multiply that by 5 (giving you 5^3 or 125) using the usual way school taught you in elementary you see that the 5 in the one's digit carries a 2 over to the ten's to which when you add it to 2*5 (10) gives you the digit 2 as the ten's digit.
2006-12-27 01:29:03 · answer #2 · answered by AibohphobiA 4 · 0⤊ 0⤋
25
5^347 mod 100 = 5^2 mod 100 = 25 mod 100
2006-12-27 01:22:29 · answer #3 · answered by sahsjing 7 · 0⤊ 0⤋
25 is the last two digits of any 5^x question where x is greater than 1
2006-12-27 04:35:23 · answer #4 · answered by superpsychicman 2 · 0⤊ 0⤋
25
5 to any positive integer power ends with the digit 5.
5^2 = 25
25 to any positive integer power of 5 ends with the digits 25.
2006-12-27 01:53:49 · answer #5 · answered by Northstar 7 · 0⤊ 0⤋
no matter what integer power you take over a number that ends in 5, you always get 25 as the two last digits.
2006-12-27 01:27:02 · answer #6 · answered by j_orduna 2 · 0⤊ 0⤋
5^2 = 25
5^3=125
etc so the answer is 5
2006-12-27 01:20:24 · answer #7 · answered by gjmb1960 7 · 0⤊ 0⤋
5^2 = 25
5^3=125
5^4 = 625
5^5=3125
....................
So the answer is 25
2006-12-27 04:14:01 · answer #8 · answered by Kinu Sharma 2 · 0⤊ 0⤋