Go to options and then fonts and styles. There one will see all the options and can easily change from Style to Style 42. That is the easiest way to alternate styles on Excel.
42% = .42
42
42% = 42/100 = 21/50.
42/1 84/2
The common multiples of 3 and 7 are 21, 42, 63 and so on.
Increase of 3300/42 ie 78.6%
42/100 - This is in fraction and if you break this then you get 0.42
You change it into a fraction form ( 42 over 100) and reduce.
42 metres tall.
Putting the data into excel, the std dev for the sample is 6.20
Louis Armstrong
42 km 98 m = 42.098 km