Answer
a) 3.94$\times$10$^{-9}$inches
b) 100000000 atoms
Work Step by Step
a)
1m=39.37in
1$\times$10$^{-10}$$\times$39.37in=3.94$\times$10$^{-9}$inches
b)
1m=100cm
100$\times$1$\times$10$^{-10}$=1$\times$10$^{-8}$cm
1cm/1$\times$10$^{-8}$cm=100000000 atoms
