Math, asked by priyaranjan16, 7 months ago

plz answer me guys quickly​

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Answers

Answered by messi100002S
2

Step-by-step explanation:

a)(2/9)^3×(2/9)^-6=(2/9)^2x-1

So,3+(-6)=2x-1

=>3-6=2x-1

=>-3=2x-1

=>-4=2x

=>-2=x

c)(2/5)^2x-1=(2/5)^1-x

So,2x-1=1-x

=>-2=-3x

=>2/3=x

e) 2^3x-4=64

=>2^3x-4=2^64

=>3x-4=64

=>3x=68

=>x=68/3

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