Question

Write 0.83+39 in standard form

Answer 1

That'd be 39.83.  If you take into account the fact that 39 is accurate to the nearest one, then perhaps you'd want to round off 39.83 to 40.

Answer 2

By standard form, you basically need the answer to 0.83 + 39!

0.83 + 39 = 39.83

Have a good day! -Wajiha