If 25a2 = 5-1 × 125. Find the value of a?

Mathematics NECO 2005

If 25a2 = 5-1 × 125. Find the value of a?

  • a = -1
  • a = 1
  • a = ±1 checkmark
  • a = ±5
  • a = 25

The correct answer is: C

Explanation

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