7th grade math help me please

Will give brainliest if you answer question correct

Answer this question only if you know the 30 points and

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