You dived 14.28/4.2 by taking the decimal out and when you get the answer put it back
Answer:
2.5 rounds to 3
Step-by-step explanation:
5 divided by (or 5/2) 2 is 2.5 and since its not a whole number you rounded by the ones and you get 3.
<u>Answer:</u>
a = 8.1
<u>Step-by-step explanation:</u>
Use the cosine rule:

Substituting the values:

⇒ 
⇒ 
248,700
682 is closer to 700 than to 600
B. $27,000
I hope helped ^-^