Help pls i need help and i’m tired i took 15 test today-

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

The number at the end of an isotope’s name is the number.

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?