L 2.1.5 Quiz: Tools and Measurement al's a fail tone and
Question 1 of 5
Earth's Moon is 384,400 km from Earth. What is the correct way to write this
distance in scientific notation?
O A. 3.844 x 10-5 km
B. 3.844 x 105 km
C. 38.44 x 104 km
D. 38.44 x 10-4 km

The equation below shows a chemical reaction. a + b + heat —> c + d according to the law of conservation of energy, which statement is true? a. the reactants absorb heat because they have less energy than the products. b. the products release heat because they have more energy than the reactants. c. the reactants generate heat because they have more energy than the products. d. the products require heat to form because they have less energy than the reactants.