prekaa123 prekaa123

22-06-2017
Mathematics

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Explain the error in the work shown. Find the correct answer.

Explain the error in the work shown Find the correct answer class=

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logiemi26 logiemi26

22-06-2017

you cant have a negative exponent

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Loljhol Loljhol

22-06-2017

The mistake is in 3rd step, as we can't equate powers if bases are different.
4^-3=2^8a
2^-6=2^8a
-6=8a
-3/4=a

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