00:01
All right, the problem 73 asks us to read the correct measurement for each of these following pictures, significant figures.
00:13
So for part a, we can observe the level of liquid right here is somewhere between 71, 2, 3, and 4.
00:25
So it's somewhere between 73 and 74.
00:28
So the lower meniscus is approximately 73 milliliter.
00:37
So because the reading according to the correct number of significant figures, we can write it as 73.
00:46
Around 8 milliliter.
00:51
And here the last digit 8 is an estimated.
00:59
So you can read it at 73 .5, 73 .1 .1...