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Mathematics 22 Online
OpenStudy (anonymous):

Evaluate the expression a= -1 and b=5 (Ab)^2 i got the anwser but i dont know how to work this out i give medals also

OpenStudy (dan815):

where you see A, replace with -1 and replace b with 5

OpenStudy (dan815):

(ab)^2=(-1*5)^2=25

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