The radius of a hydrogen atom is 0.0000000529177 of a millimeter. Express this number as an approximation.(1 point)

Responses

0.0000005
0.0000005

0.0000000053
0.0000000053

0.00000006
0.00000006

0.00000005

1 answer

To simplify the number 0.0000000529177, we can round it for approximation purposes.

Looking at the digits after the decimal point:

  • The first few digits are 0529177.
  • The second significant figure is 5, and since the following digit is a 2, we can round down.

Thus, we can approximate the value to be around 0.00000005.

Therefore, the best approximation from the given options is:

0.00000005