If you're asking for place value:
Thousands, and Ten Thousands place.
Just value:
8,000 and 80,000
Answer:
This is called a sample.
In statistics, we take a random 'sample' of people so that we can estimate values for the entire population!
So, say for example you want to find out what percent of students in your school are girls. You take a sample, like this again, of 30 students, and 3/10 are girls, then you can apply it to the rest of the population.
Hope this helps!
P.S. Stay Safe!
For every cubic yard, it equals to 27 cubic feet.
So, could have this fraction

And we want to convert 3 cubic yards into cubic feet.
We can express 3 cubic yards as

Now multiply the

fraction by the second fraction or the reciprocal of the second fraction to cancel out the yards^3 units.

So, 3 cubic yards to equal to 81 cubic feet.
Volume of a ball = 4/3 x PI x r^3
r = half the diameter.
Volume of 1 ball = 4/3 x PI x 2^3 = 33.5 cubic inches.
Multiply the volume of 1 ball by total balls:
33.5 x 4 = 134 cubic inches.