Question 7 • Algebra I
Each step down in the exponent divides the value by 10: 10⁻¹ = 1/10, 10⁻² = 1/100, and so on. Since 1,000,000 = 10⁶, its reciprocal is 1/1,000,000 = 10⁻⁶. The correct choice is 10 to the negative 6th power.
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