- .¯36=3699
- 2.1¯36=2322
The part I do not understand however, is "you could used 1) to speed up the working of 2)" which is written in the book.
How would I use 1) to help me work out 2)?
Thanks.
Answer
2.1¯39=2+0.1+110⋅0.¯39
So, 2.1¯39=2+110+110⋅3699=2+110⋅(1+411)=2+110⋅1511=2+322
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