The lymphatic system collects
While in
the lymphatic system, the fluid
is called

Explanation:

Once within the lymphatic system, the extracellular fluid, which is now called lymph, drains into larger vessels called the lymphatics. ... One of these trunks, the right lymphatic duct, drains the upper right portion of the body, returning lymph to the bloodstream via the right subclavian vein

in scientific notation, the value of the  speed of light in a vacuum

  will be written as 2.995 * 10^8. when this value is represented in the form of

  a * 10^b, then, a = 2.995 and b = 8.

the value of the speed of light in a vacuum given above can also be rounded up to approximately 300000000. in this case, the scientific notation will be written as 3 *10^8.

c. 75.7

i think that is the right