Question

place numbers in desending order
4.3x10^-5,
6.4 x 10^-6,
4.3 x 10^-6,
6.4x10^-4

Answer 1

In descending order:

6.4x10^-4,
4.3x10^-5,
4.3x10^-6,
6.4x10^-6