I need help ASAP please
I will give thanks with Brainlist for correct ans.

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

Which of the following is the result of expanding the series

What’s -11-33k and factor each expression completely