An exact number is 2, or 4, or 5345. Something that we have counted, or that we know exactly.
We have two apples. There are four people in the room.
A measurement, however, always has some degree of uncertainty. We can say that the line is 2 inches long. However, if we used a plastic ruler, the line may actually be 1.98 inches long, or 2.03 inches long, and we wouldn't be able to tell the difference with our instrument (the ruler).
If we used a micrometer to measure the line, and the micrometer told us that the line was 4.35 cm long, then we would have to determine the precision (how correctly we can be certain of the results from the micrometer). The micrometer may be precise to within 5/1000 cm, or .005 cm. If that's true, then we're pretty sure that the line is between 4.345 cm and 4.355 cm, but we cannot be sure where in that range the actual length of the line falls.
If you mean as exact numbers, yes. But when you deal with measurements in the real world, nothing is exact, and all measurements are approximate. If a measurement is given as 0.1, it usually means that it is accurate to one decimal place, which means it could be anywhere from 0.05 to 0.15. If it is given as 0.10, it means that it is accurate to two places, so it is between 0.095 and 0.105.
It is important because PRECISE means exact, and exact measurements are important because it tells you the actual measurement of an object, other than to tell you an estimate, not knowing the exact measurement of that object
A whole lot of numbers! The simplest example would probably be 0.3. To be exact, there exist uncountably infinitely many real numbers between any 2 distinct real numbers.
Yes, the Pythagorean theorem gives the exact measurements always. It can be backed up by proofs and sin, cosine, etc.
advantages: its easier to figure out or look at exact numbers disadvantages: its harder to see the change between intervals
The difference between a measurement and an estimation is that a measurement is an exact data while an estimation is a guess as to what something may measure. For example, you can use a ruler to get the exact measurements of a piece of paper. However, if you don't have a ruler, you can make an educated guess as to what the paper's length and width measurements may be.
The difference between a measurement and an estimation is that a measurement is an exact data while an estimation is a guess as to what something may measure. For example, you can use a ruler to get the exact measurements of a piece of paper. However, if you don't have a ruler, you can make an educated guess as to what the paper's length and width measurements may be.
Direct is an exact measurement and indirect is an estimate.
The exact measurements of a Humvee in inches is 184.5 inches long by 86.5 inches wide. It also has a height of between 77 and 79 inches.
No
No
No
about a siz2 10 or 12 cause those are my exact measurements
If you mean as exact numbers, yes. But when you deal with measurements in the real world, nothing is exact, and all measurements are approximate. If a measurement is given as 0.1, it usually means that it is accurate to one decimal place, which means it could be anywhere from 0.05 to 0.15. If it is given as 0.10, it means that it is accurate to two places, so it is between 0.095 and 0.105.
you tell me
Range
clear number and guessing