Arectangular block of metal measures 5 cm by 10 cm by 2 cm and has a mass of 700g. what is the volume of this block?

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?

Given the net of the rectangular prism, what is its surface area?

Ihave a im dumb veryyy dumb! so maybe you can me with my math? pretty < 3