Convert 1010 kilometers to inches using dimensional analysis method. Please use sig fig show results in both decimal and scientific notation

Question

2.54=1 in

Answer 1

1010 km x 1000 m/km x 100 cm/m x 1 inch/2.54 cm = 39,763,779.5 inches

Answer -> 3.976x10⁷ inches (to 4 significant figures)

Answer 2

1010 km  ·  1000 m  ·  100 cm  ·  2.54 in

     1              km            m           cm