plz answer me guys quickly
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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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