Shreya spent $16 on a magazine and some erasers. If the magazine cost $7 and each
eraser cost $3, then how many erasers did
she buy?

What does the cell nucleus do or, how does it function?

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

Ill give brainiestif one neutron initiates a fission event that produces two neutrons in the products, how many new reactions can now be initiated? if each of the neutrons produced in the first fission event then initiates a fission event that produces one neutron in the products, how many new reactions can now be initiated by each neutron? how many neutrons in total were produced by the two fission events described?