Question

Significant Figures:
Following the Significant Figures Rules, how many significant figures will the answer have:
45.3L x 10 mol/L

Answer 1

"When multiplying or dividing two measurements, the result should have the same number of sig figs as the measurement with least sig figs"

You can practice sig figs here:

http://sigfigscalculator.appspot.com/tutorial/multiply_and_divide

Answer 2

HINT:

45.3L x 10 mol/L

10 mol/L only has two sig figs, while 45.3L has three sig figs.

Answer 3

Don't forget that the rules for adding and subtracting are a little different though!

http://sigfigscalculator.appspot.com/tutorial/add_and_subtract