Question

check weather 8n can end with the digit 0​

Answer 1

Step-by-step explanation:

it doent have 5 as its factor and 8n cannot end with 0 for any natural number . . number ends with 0 only when the prime factorization has a common factor only.

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Answer 2

Step-by-step explanation:

Hey!

__________

Hey!

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Let us think of some numbers which end the digit 0

10 = 5 × 2

100 = 2 × 2 × 5 × 5

Many more...

Now, Clearly we can see that numbers ending with 0 has prime factors as 2 and 5, take any number ending with digit 0 , it will do have 2 and 5 as a factor.

But,

8^n = (4 × 2) ^n

It doesn't have 5 as it's factor thus 8^n cannot end with zero for any natural number n.

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