In the product A B C, A has 5 significant figures, B has 2 ...

[Medesa]

In the product A  B  C, A has 5 significant figures, B has 2 significant figures, and C has 3 significant figures. How many significant figures does the product have?
 
  A) 2
  B) 3
  C) 4
  D) 5
  E) 10

Question 2

Reasoning from the fact that the nucleus is very small, we can conclude that the nuclear force must
 
  A) operate only between neutrons, and not between protons.
  B) have a very long range.
  C) have a very short range.
  D) be repulsive and very strong.
  E) be attractive and very strong.

[beccamahon]

Answer to Question 1

A

Answer to Question 2

C

[Medesa]

Gracias!

[blakcmamba]

Excellent