Calculate the percent error. A block has a true mass of 16.9 g. A student masses it to be 10.5 g. What is the student's percent error? 61.0%
-61.0 %
37.9%
-37.9%

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.

When would a bouncy ball have the most potential energy

Helium decays to form lithium. which equation correctly describes this decay?