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

3 answers

To express the number as an approximation, we can round it to the nearest whole number.

The given number is 0.0000000529177.

Rounding to the nearest whole number, we get 0 millimeters.
How many times is 4x10^4 larger than 2x10^2?
2,000
20
200
2
At the end of fiscal year 2004, the federal debt of Country C is $278,560,125,000. What is the closest estimation of this amount? Express your answer in the form of a single digit times an integer power of 10.
3x10 Exponent = 11
2x 10 Exponent = 11
2.79x 10 Exponent = 11
3x10 Exponent = -11