Because it assumes that all the numbers you've been given are complete and exact (not missing decimal points). That being said, to maintain accuracy you should always give your answers in reduced fraction form, or keep Irrational Numbers (e.g. pi, e, sqrt 2) in their regular forms.
*The concept of significant figures relates to the precision of real-world measurements, where you cannot assume or assign greater precision as the result of a computation. Many math problems will arbitrarily assign a number of decimal places to which an answer is to be rounded.
1000 is written with one significant figure, with only the 1 being a significant figure.
It has 1 significant figure.
The significant figure 2.00 has to do with the certainty of a measurement.
1150 to 1 significant figure is 1000
9753261 to 1 significant figure is 10,000,000
Most people end up solving their own problems. Sometimes you just have to work through them in your head to figure out the solution.
37.753 rounded to one significant figure becomes 40
6276 as a significant figure would be 4 significant figures.
This is an opinion question, read it carefully and try to figure it out. In my opinion, I believe that humans should take more responsibility in solving national problems. For example, humans can do a better job of being "green" such as carpooling with each other.
1000 is written with one significant figure, with only the 1 being a significant figure.
He formed the basis for all of Protestantism. One could certainly say he was an important religious figure.
It has 1 significant figure.
The first significant figure of 0.000169 is the 1 and it has 3 significant figures.
The significant figure 2.00 has to do with the certainty of a measurement.
654 rounded to one significant figure becomes 700.
The significant figure of 78.00100 is 78.00. It had 7 significant figures and a least significant decimal of -5.
You already have time, now all you need to do is figure how to manage your time and make some money.