Consider the number 4n, where n is a natural number. Check whether there is any value of n for which 4n ends with the digit zero.
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Answered by
7
4n+n=0
4nsquare=0
nsquare = 0-4
n=square root of-4
n=-2
4nsquare=0
nsquare = 0-4
n=square root of-4
n=-2
Answered by
5
Answer:
n = 5
Step-by-step explanation:
The multiples of 4 ending with 0 = 20,40,60,80,....
20 = 4*5
40 = 4*10
Here n can only be 5 and not 10 as n is a single digit
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