When your doing the scientific notation why do you multiply by 10?

Determine the mass of fuel required for the expected energy consumption in the united states for the next ten years. energy use per person per year in the united states = 3.5 x 1011joules base calculations on current population of 310,000,000.

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

Long term exposure to waves can cause sunburns and skin cancer. a) visible b) infrared c) gamma rays d) ultraviole