13 Questions Algebra: Rational exponents Simplify numeric expressions involving rational exponents. Based on TEKS [Algebra 1] standard 11B and CommonCore standard grade 9 36¹⁄² = 1/1296 6 9 18 49⁻¹⁄² = −7 −1/7 1/7 7 81³⁄⁴ = 9 27 61 729 and 10 more awesome questions! Check them out by clicking “Play”.