Question

If 2^x= 128, what is 2^x+1​

Answer 1

128+1=129 ..is it correct

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Answer 2

Answer:

x = 7

and

$2^{x+1}\:=\:256$

Step-by-step explanation:

${2}^{x} = 128 \\ \\ {2}^{x} = {2}^{7} \\ \\ x = 7 \: \: \: \\ \\ {2}^{x + 1} = {2}^{7 + 1} \\ \\ 2^{x + 1} = {2}^{8} \\ \\ {2}^{x + 1} = 256$

Hope it helps u

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