Which statement is a correct description comparing these two numbers?
4.23 times 10^-5 and 4.23 times 10^5
The number 4.23 x 10^-5 is in scientific notation and represents 0.0000423. The number 4.23 x 10^5 is in scientific notation and represents 423,000.
So, the correct statement would be: One number is a very small decimal and the other number is a large whole number.