Question

${2}^{x - 3} = 1$
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Answer 1

2^x-3 =1

Or, 2^x-3 = 2^0

Or, x-3=0

Or, x= 3 Ans.

Answer 2

x will be three.

bcoz, power of zero of anything will come to 1

$2^{x-3} =1$

 $(x-3)=0\\x=3$

$2^{3-3}=1$

$2^{0}=1$

thatswhy,  x will be 3