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From algebra and geometry to statistics and trigonometry, our MCQs are designed to help you practice problem-solving, reinforce concepts, and get exam-ready through quick, focused revision.","tags","igcse o level secondary school mathematics","version","1.0.0","priority",2,"createdOn",1755994348779,"updatedOn","questionsCount",9064,"courseCount",40,"enableChallenge","examKey","questionData",{"_369":404,"_405":406,"_407":408,"_278":410,"_411":412,"_263":370,"_413":414,"_415":416,"_110":421},"rdrr3ay7wWnjOpoKvrxt4VfS3fa46T","q","Simplify: a^-2 / a^-5","ans",[409],1,"Section 1","course","indices-1","exp","When dividing indices with the same base, subtract the powers: a^-2 / a^-5 = a^{-2 - (-5)} = a³","opts",[417,418,419,420],"a^-7","a³","a⁷","1/a³",36,"36","initComment","initReply","actionData","errors"]

Mathematics for IGCSE & O level - Indices 1 (Section 1 - No. 36)

Explanation

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