WAEC 2025

Express 0.000834 in standard form.

A8.34 x 10\(^{-4}\)
B8.34 x 10\(^{-3}\)
C8.34 x 10\(^4\)
D8.34 x 10\(^3\)

Explanation

To express 0.000834 in standard form (A x 10^n, where 1 ≤ A < 10), move the decimal point 4 places to the right to get 8.34. Since the decimal moved to the right, the exponent is negative, giving 8.34 x 10^-4.

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