WebMay 21, 2024 · To find : The unit digit of the expression? Solution : First we determine the cyclicity of number 9. The cyclicity of 9 is 2. Now with the cyclicity number i.e. with 2 divide the given power i.e. 85 ÷ 2 The remainder will be 1. The required answer is 9 raised to the power 1 is 9. Therefore, The unit digit of is 9. Advertisement WebNov 25, 2008 · That works. I would have just said since 7^400=1 mod 1000, then 7^10000=1 mod 1000. So if you let x=7^9999. Then you want to solve 7*x=1 mod 1000. …
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WebThe last digit repeats in a pattern that is 4 digits long: 7,9,3,1 7,9,3,1. Note that 358 358 divided by 4 4 is 89 89 with a remainder of 2, 2, so the pattern will repeat 89 89 times, … Webn = 56789 lastdigit = int (repr (n) [-1]) # > 9 Convert n into a string, accessing last element then use int constructor to convert back into integer. For a Floating point number: n = 179.123 fstr = repr (n) signif_digits, fract_digits = fstr.split ('.') # > ['179', '123'] signif_lastdigit = int (signif_digits [-1]) # > 9 Share Improve this answer rabbits galway
(i) Find the last digit (units digit) of a = 7123. That is ... - Chegg
Webfind the unit digit of 3278^1237 - YouTube. #RevoClasses #ShortTrickMaths #Aptitudefind the unit digit of 3278^1237Join the Telegram Channel by clicking the link … WebJul 30, 2014 · You already have the mechanism to extract the last digit from a number. You just need to extend this by using use division to "shift" the digits the required number of places. For example, if you have the number 1234, to get the second digit you can divide by 10, to get 123. Using 123 mod 10 will give you the digit 3. WebThe answer is [math]60 [/math]. It can be solved using congruences modulo [math]100 [/math] but there’s an easier way. I can divide [math]234 [/math] by [math]2 [/math] and [math]345 [/math] by [math]5 [/math] to make an equivalent product as follows: [math]\quad 123\times 234\times 345\times 456\times 567\times 678\times 789 [/math] shobha gowda insurance agency