How is the number 6.24 x 10-4 expressed in regular numbers?

The scientific notation, 6.24 x 10^-4, means that the 6.24 is multiplied to 10 which is raised to exponent - 4. 10^-4 has a regular number value of 0.0001. To determine the regular number expression of the given scientific notation, multiply 6.24 by 0.0001 which gives an answer of 0.000624.