Jake's dad bought a lawnmower for $648.52. which shows this amount in expanded form ?
a: (6 x100) + ( 4x10) + (8x1) +(5 x 10) + (2 x 1)
b: (6x100) + (8x1) + (4x10) +(5 x 0.1) + (2 x 0.01)
c: (6x100) + (4x10) + (8x1) + (52 x 0.1)
d: (6x100) +(5x 0.1) + (2x 0.01) + (48x10)