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Find the unit place digit in 71 × 72 × 73 × 74 × 76 × 77 × 78 × 79.
- A2
- B0
- C4
- D6
Answer not set
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CCommunity
71 × 72 × 73 × 74 × 76 × 77 × 78 × 79.
To find unit digit multiply their unit digits = 1 × 2 × 3 × 4 × 6 × 7 × 8 × 9 = 24 × 42 × 72
To find unit digit multiply their unit digits = 24 × 42 × 72 = 4 × 2 × 2 = 16
So, unit digit is = 6
To find unit digit multiply their unit digits = 1 × 2 × 3 × 4 × 6 × 7 × 8 × 9 = 24 × 42 × 72
To find unit digit multiply their unit digits = 24 × 42 × 72 = 4 × 2 × 2 = 16
So, unit digit is = 6