10⁰: 1 10¹: 10 (ten) 10²: 100 (hundred) 10³: 1,000 (thousand) 10⁴: 10,000 (ten thousand) 10⁵: 100,000 (hundred thousand) 10⁶: 1,000,000 (million) 10⁹: 1,000,000,000 (billion) 10¹²: 1,000,000,000,000 (trillion) 10⁻¹: 0.1 (tenth) 10⁻²: 0.01 (hundredth) 10⁻³: 0.001 (thousandth) Free flashcards from Peabody at peabody.kids/flashcards/facts-powers-of-10