Perform the indicated operations with the following measurements and give your answer with correct units in the allowed number of significant digits. Round off answers when necessary. A. 5.8 G + 0.033g + 6.18g B. (6.98cm - 2.83cm) x 1.7cm^2 C. (2.1m)^2 x pi x 100. m /6.83 s. D. 1.75 cm / 2

Heat energy, carbon dioxide, and water are released through which process? a. photosynthesis b. depolymerization c. digestion d. cellular respiration

Which best describes the present-day universe? opaque, expanding very slowly, stars produce heavy elements transparent, expanding at an accelerated rate, stars produce heavy elements opaque, expanding at an accelerated rate, stars produce only hydrogen and helium transparent, expanding very slowly, stars produce only hydrogen and helium

The molar mass of nickel(ni) is 58.7 g/mol. how many moles are in an 88 gram sample of nickel?