Aprobe orbiting venus exerts a gravitational force of 2.58 × 10^3 n on venus. venus has a mass of 4.87 × 10^24 kg. the mass of the probe is 655 kilograms. to three significant digits, the probe is 9.08 × 10^6 m from the center of venus.

Regarding the history of the universe, which of the following is true? all the chemical elements were created during the big bang, but some have been modified since that time as a result of radioactive decay. the earth formed quickly after the big bang. all the current stars in our galaxy formed about the same time billions of years ago. key elements of which earth and life are made, including carbon, oxygen, and iron, did not exist when the universe was born and were created later in stars.