How to convert or what is the result of the sum 616.343(decimal) in binary

Dont laugh it isn't that much easy for a grade 9 student.....

use your calculator program in windows under accessories.
Click view scientific type 616.343 then chose radial option bin...
and get a whole number...
1001101000

The way to do this by hand
list your binaries
512,125,64,32,16,8,4,2,1,0.5,0.25,0.125…
and subtract without going over
616.343-512 = 104.343
104.343-64 = =40.343
40.343 - 32 = 8.343
8.343-8 = 0.343
0.343 - 0.25 = 0.093
0.093 -0.0625 = 0.0305
0.0305-0.015625 = 0.014875
...
giving us about 101101000.010101

Did it say how many decimal places it needed? It seems to be non terminating.

This isn't so easy for a 38 year old math tutor either. :)

I was on a field trip. Yes, you are right according to this http://www.wolframalpha.com/in…

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616.343(decimal)
= 6x2^2 + 1x2^1 + 6x2^0 + 3x2^-1 + 4x2^-2 + 3x2^-3
= 24 + 2 + 6 + 1.5 + 1+ 0.375
= 34.875(binary)