Author Question: Using a digital balance the mass of a certain piece of wood is read as 12.946 g. Thinking in terms ... (Read 45 times)

mikaylakyoung · **on:** Jul 29, 2018

Using a digital balance the mass of a certain piece of wood is read as 12.946 g. Thinking in terms of accuracy and significant figures, what value would you record on your data sheet if the balance is accurate to one-tenth of a gram?

A) 12.9 g
B) 12.95 g
C) 13 g
D) 13.0 g

Question 2

Which of the following is not a possible energy source for a steam-electric generating plant?

A) fossil fuels
B) wood
C) solar energy
D) fissionable material such as uranium
E) All of the above are possible energy sources.