convert decimal notation

5.166x10-^8

You probably mean 5.166x10^-8, which is

5.166*10-8
=5.166/100000000
=0.00000005166

The last step can be done by shifting the decimal point 8 places to the left.

To convert the decimal notation 5.166x10^-8 to a standard decimal number, follow these steps:

1. Start with the given number: 5.166x10^-8

2. Write down the digits before the decimal point: 5.166

3. Move the decimal point to the left or right based on the exponent of 10:

Since the exponent is negative (-8), move it 8 places to the left.

The result is: 0.00000005166

Therefore, the standard decimal number equivalent to 5.166x10^-8 is 0.00000005166.