Question

hii friends ✋✋

plz help me in this question...

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CONTENT QUALITY ANSWER REQUIRED★★★★
$for \: what \: value \: of \: n \\ {2}^{n} \times {5}^{n} ends \: in \: 5 \\ \\ \\ \\ \\ \\ \\ plx \: help \: me \: in \: the \: above \: question \: its \: urgent$

Answer 1

${5}^{n} {2}^{n} = {10}^{n}$
it can never end with 5

Answer 2

↑ Here is your answer ↓
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For what value of 'n' does 2^n * 5^n end with 5?

$2^n5^n$ can NEVER end with digit '5'.

Why is that so?

Any number multiplied by 10 will only end with digit '0'.

$2^n * 5^n = 10^n$

Examples:

$2^1 * 5^1 = 10^1 = 10$

$2^2 * 5^2 = 10^2 = 100$

...and it goes on