Simplify 8k4×3k−38k^4 \times 3k^{-3}8k4×3k−3
Simplify (4x2y5)3(4x^2y^5)^3(4x2y5)3
a5×a4=a12×aya^5 \times a^4 = a^{12} \times a^ya5×a4=a12×ay
Find the value of yyy
Practise Edexcel GCSE Maths Indices with exam-style questions for Foundation and Higher tier. 100 questions, matched to the Edexcel GCSE Maths (1MA1) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.