Question

find the value of x : 2^x ÷ 2^3 = 2^-1 . ​

Answer 1

Answer:

x=2

Step-by-step explanation:

${2}^{x} \div {2}^{3} = {2}^{ - 1} \\ now \: hence \: all \: powers \: have \: same \: base \: ie \: 2 \\ then \\ equating \: all \: powers \\ x - 3 = - 1 \\ x = - 1 + 3 \\ x = 2$

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Answer 2

Step-by-step explanation:

in the photo there is x= 4 just don't mind about it

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