The actual number of pennies in a jar is 218. You miscounted and came up with 215 pennies. What is your percent error?
1 point
98.6%
1.38 %
1.40 %
3%

The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.