Question

Solve the following equation for x round the answer to four decimal places.

28^x = 10^-3x

Answer 1

\[\LARGE 28^x=10^{-3x}\]
\[\LARGE 28^x=\frac{1}{10^{3x}}\]
\[\LARGE 28^x\times 10^{3x }=1\]
\[\LARGE 28^x\times 1000^x=1\]
\[\LARGE 28000^x=1\]

and now I think you know the answer ...

Answer 2

zero

Answer 3

that's right... @dark_knight

Answer 4

Why is the answer 0?