Add-
0.859+1.63=2.489
Subtract- (Not sure where the decimal was)
0.859-0.03=0.829
0.859-00.3=559
Multiply-
0.859*10^1=8.59
0.859*10^2=85.9
0.859*10^3=859
0.859*10^4=8590
Divide-
0.859/10^1=0.0859
0.859/10^2=0.00859
0.859/10^3=0.000859
0.859/10^4=0.0000859
Round-
0.9
0.86
1
Compare-
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Hope this helps. Have a nice day. May it be filled with joy and happiness. Please, stay safe and wash your hands. Happy Holidays.
