Read the ruler in millimeters to the correct degree of precision. 3.50
3.55
35
35.1

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.

This is so important ugh its 25 points

Why does bubbling occur when vinegar mixed with baking soda