Question

if$\frac{10 {}^{x} }{10 {}^{3} } = {10}^{9}$then x is

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Answer 1

Answer:

X=12

Step-by-step explanation:

$\frac{{10}^{x}}{ {10}^{3} } = {10}^{9}$

LHS:

$\frac{{10}^{x}}{ {10}^{3} } = {10}^{x - 3}$

On Comparing,

${10}^{x - 3} = {10}^{9}$

$x - 3 = 9 \\ x = 9 + 3 \\ x = 12$

Hope it will help u