The last digit of 5^{25} is . . . . . . . | vedclass

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(B) To find the last digit of $5^{25}$,we observe the powers of $5$: $5^1 = 5$ $5^2 = 25$ $5^3 = 125$ $5^4 = 625$ Since the last digit of any positive

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$5$

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(B) To find the last digit of $5^{25}$,we observe the powers of $5$: $5^1 = 5$ $5^2 = 25$ $5^3 = 125$ $5^4 = 625$ Since the last digit of any positive integer power of $5$ is always $5$,the last digit of $5^{25}$ is $5$.

The last digit of $5^{25}$ is . . . . . . .

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