QuestionNECOGeneral Maths2024ObjectiveIndices & standard formIndices & standard form
NECO 2024 · Paper 1 · Q13
Solve 23x=1643.
Worked solution (try it first)
Write 16 as
24:
1643=(24)43=23, multiplying the indices.
So
23x=23, and the powers are equal:
3x=3.
Divide by 3:
x=1, option E.
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