What is 7.936 rounded to the hundredths place

Mr.geswein takes off 2 points for not showing work for each problem. james didn't show work on 6 problems.how many points did he lose?

Which is the standard form for this number? (4 x 1 100 ) + (8 x 1 1,000 ) + ( 3 x 1 100,000 ) ? a) 0.004803 b) 0.04803 c) 0.0483 d) 0.483

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees