Math, asked by vivekthakur4460, 2 months ago

Show that there is no value of n for which (2"x 5") ends in 5.


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Answered by vashnavilond456
1

Step-by-step explanation:

Answer Expert Verified

(The basic test of divisibility rule to check if a number is divisible by 10 is whether the final digit of the number is 0). Thus, for any value of n, n2 multiplied by 10 will also end in 0. As a result, the value of 10n2 will never end with 5.

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