What is the standard form for 30 plus 5 plus 2/10.

So you must change the sentence to numbers

30 plus 5 = 30 + 5

then 30+5 plus 2/10 you change the plus to a +

30 + 5 + 2/10

You then do 2/10 first because of order of operations

= 5

Then the problem is 30+5+5

So then the answer is 35+5 = 40