Math, asked by devanshi2006jain, 10 months ago

Show that 3(7^204 +7^202 +7^200)+7(3^204 +3^200)−(210)is divisible 10 .

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Answered by harshitaczone9

2

Answer:

3×(204+202+200)+7×(204+200)-210

3×606+7×404-210

1818+2828-210

4646-210

4456/10=445.6

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