Question

solve question 5 .. with logics beside

Answer 1

Hi there ☺️☺️

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$7 {}^{2} \div 7 {}^{ - a} = 7 {}^{8} \\ \\ 7 {}^{2 - ( - a)} = 7 {}^{8} \\ \\ \cancel7 \: {}^{2 + a} = \cancel7 \: {}^{8} \\ \\ 2 + a = 8 \\ \\ a = 8 - 2 \\ \\ \therefore \bold{a = 6}$


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Thanks !

@AarohiG ❤️

Answer 2

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It's very easy...

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