Let:
Where:
k = scale factor
IW = 12
I'W'= 8
so, solving for k:
Please help me to answer this question.
1 answer:
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The decimal representation of any number is a linear combination of powers of 10. In other words, given a number like 123.456, we can expand it as
for any
, so the above is the same as
Similarly, we can write
Now it's a question of reducing the fraction as much as possible. We have so