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What are the last two digits of 7¹⁰⁰?

1858Medium DSSSB TGT Computer Science 0 replies

What are the last two digits of 7¹⁰⁰?

  • A01
  • B07
  • C49
  • D43
Correct answer: A

Explanation

7⁴ = 2401 ends in 01, so 7¹⁰⁰ = (7⁴)²⁵ also ends in 01.

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