ECZ 2017 · O-Level Paper 1 — Index Notation
Solve the equation 10ˣ = 0.0001.
- A. 4
- B. −3
- C. −4
- D. −0.4
Verified working — step 1
Write 0.0001 as a power of 10 - a decimal SMALLER than 1 always carries a NEGATIVE power.The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
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