Answer: ![398.5750](https://tex.z-dn.net/?f=398.5750)
Step-by-step explanation:
It is important to remember that the fourth digit after the decimal point is in the ten-thousandth place.
Then, given the following number:
![398.574986215](https://tex.z-dn.net/?f=398.574986215)
You can follow these steps in order ti round it to the nearest ten-thousandth:
1. You can identify that the digit in the ten-thousandth place is:
![9](https://tex.z-dn.net/?f=9)
2. Identify the digit to the right of
. This is:
![8](https://tex.z-dn.net/?f=8)
3. Since:
![8>5](https://tex.z-dn.net/?f=8%3E5)
You must round up. Increase the digit
by 1. (Notice that
, then the digit to the left of
increases by 1 too). Then:
![398.5750](https://tex.z-dn.net/?f=398.5750)
Answer:
A
Step-by-step explanation:
Part A:
3.14 X (4)^2 X 3/3
= 50.26548246