Please help me In this activity, you will express the mass of planets and moons in standard notation and scientific notation. Use the Internet to find the mass in kilograms of each celestial body listed.

Express the mass of these planets and moons in both standard and scientific notation. If necessary, round the numbers so that the first factor goes only to the hundredths place.

Earth’s moon
Mercury
Venus
Jupiter
Saturn
Uranus
Neptune
Phobos
Ariel
Titan

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.