What's 600,000,000 divided by 3,000.000,000,000?

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f

The charge on a charged sphere is: a)concentrated at its centerb)distributed uniformly throughout its volumec)clustered on its centerd)distributed uniformly over its surface

What object a collides with object b and bounces back its final momentum is?