Explanation:
[tex]1m = {10}^{ 9} nm[/tex]
[tex]59m = 59 \times {10}^{9} nm[/tex]
I hope it helped you
5.9 × 10⁹
1m = 10^-9 nm
=5.9 × 10⁹
=5.9 × 1 000 000 000
=5 900 000 000 nm
=5.9 ×10⁹