ECZ 2016 · O-Level Paper 1 — Index Notation

Evaluate 50 + 51.

  • A. 10
  • B. 6
  • C. 1
  • D. 5

Verified working — step 1

Two index facts: any non-zero number to the power 0 is 1, and to the power 1 it is itself.

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Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.

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