q8×qn=q15q^8 \times q^n = q^{15}q8×qn=q15
Find the value of nnn.
(q2)z=q18(q^2)^z = q^{18}(q2)z=q18
Find the value of zzz.
Practise OCR GCSE Maths Indices with exam-style questions for Foundation and Higher tier. 100 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers 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.