Here are the masses of the so called inner planets of the solar system. Mercury: 3.3022 x 10^23 kg
Venus:4.8685 x 10^24 kg
Earth: 5.9722 x 10^24 kg
Mars:6.4185 x 10^23 kg

What is the average mass of all four inner planets? Write your answer in scientific notation.

If 25% of y is 30, what is 60% of y?

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.

If you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood?