What will be unit's digit in the expression 785562x 56256x 971250?
9
4
6
3
$78^{5562} * 56^{256} * 97^{1250}$
Divide 5562, 256, 1250 by 4
$8^{2 *} 6^* 7^2$
$4 * 6 * 9=216=6$
Option C
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