Question

Find ‘x’, if 2 power minus 3 = 1 / 2 power x

71d4d96c395b32477cd828230ea6fd39.pdf

Answer 1

Answer:

3

Step-by-step explanation:

${2}^{ - 3} = {( \frac{1}{2} )}^{x}$

$\frac{1}{ {2}^{3} } = \frac{1}{ {2}^{x} }$

${2}^{x} = {2}^{3}$

Therefore,

$x = 3$

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Answer 2

We are Given that 2^-3 = 1/2^x

or

2^-3=2^-x

or-3=-x

so

x=3