Can someone please help me with these two math questions? 8. An earthquake with a magnitude of 7.5 is 500 times as intense as another earthquake. What is the magnitude of
the other earthquake?

9. Vinegar with a pH of 3 is 245 times more acidic than battery acid. What is the pH of battery acid?

How many square centimeters of wrapping paper will be used to wrap the shoe box?

Agrasshopper weighs 0.89 grams. express the grasshopper’s weight in scientific notation.

Abilliard ball is struck by a cue. it travels 1 0 0 cm 100cm before ricocheting off a rail and traveling another 1 2 0 cm 120cm into a corner pocket. the angle between the path as the ball approaches the rail and the path after it strikes the rail is 4 5 ∘ 45 ∘ . how far is the corner pocket from where the cue initially struck the ball? do not round during your calculations. round your final answer to the nearest centimeter.