Question
Download Solution PDFFind the unit digit of 83 × 87 × 93 × 59 × 61.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
83 × 87 × 93 × 59 × 61
Calculation:
83 × 87 × 93 × 59 × 61
Taking unit digits
⇒ 3 × 7 × 3 × 9 × 1
⇒ 21 × 27
Again taking unit digits
⇒ 1 × 7
⇒ 7
∴ The unit digit of 83 × 87 × 93 × 59 × 61 is 7.
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