It was the standard for decades, it is still used. Computer generated images are faster and are more common, but most designers still use clay, usually 1/4 scale or full scale models to get a tactile interaction.
a scale factor of 4.5 is your answer
0.05
It is to do with efficiencies and economy of scale.
6
You can measure a gram of yeast without a scale quite easily. Instead of a scale you can use a teaspoon. One teaspoon of yeast is equivalent to 4 grams, so simply take a teaspoon of yeast and use a knife to divide it into 4 and then you will have one gram.
scale 1 scale 2 scale 3 scale 4 scale 5 scale 6 scale 7 scale 8
A kitchen scale is used for determining the weight of foods. For instance, if you are on a diet and need to precisely weigh 4 ounces of beef or other meat, a kitchen scale would help in determining that weight.
3.17 on a 4 point scale is the equivalent of 79.25%
Use either the minor pentatonic scale (don't use the b5/#4) or play a dominant scale over the key signature (which is like a major scale with a b7). If it's a minor funk chart then use either the minor penatonic scale or the dorian minor, which is like natural minor with a #6 (or a major scale with a b3 and b7)
There is no standard scale of a map. The scale used depends on what the map is used for. A motorist may use a 4 miles to 1 inch, a cyclist 1 mile to 1 inch (or 1:50 000), and a walker use 1:25 000 - and so on.
No only where people live and if the magnitude is more than 4 on the Richter scale.