6.3x10^-8

6.3x10^-8 is equivalent to 0.000000063

4.23x10^3

4.23x10^3 is equivalent to 4,230.

To convert 6.3 x 10^-8 to decimal form, follow these steps:

1. Start with the given number: 6.3 x 10^-8.

2. Move the decimal point 8 places to the left, as indicated by the exponent (-8).

6.3 x 10^-8 = 0.000000063

So, 6.3 x 10^-8 is equal to 0.000000063 in decimal form.