Simplify (16a881b4)−34\displaystyle \left(\frac{16a^8}{81b^4}\right)^{-\frac{3}{4}}(81b416a8)−43
134 exam-style questions on Edexcel AS Level Maths Algebraic Expressions, covering 1.1 Index Laws, 1.2 Expanding Brackets, 1.3 Factorising, 1.4 Negative and Fractional Indices, and 1.5 Surds. Each one has a worked solution and a mark scheme showing where the marks go.