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What is the unit digit in the expansion of (89628)^402? |
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Answer» Given : (89628)⁴⁰² To FIND : unit Digit Solution: (89628)⁴⁰² = (89628)⁴⁰⁰⁺² = (89628)⁴⁰⁰.(89628)² = ((89628)⁴)¹⁰⁰.(89628)² 8⁴ Ends with 6 6¹⁰⁰ END with 6 8² ends with 4 (6)(4) = 24 Hence (89628)⁴⁰² ends with 4 Unit digit of (89628)⁴⁰² is 4 LEARN More: find the unit digit of the numeric expression 114power+115power21 ... find the unit digit of 1253 raise to 1469 - 1258 RAISED to 1471 ... What is the unit digit of the numeric expression of 10000power of ... |
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