Answer:
area = 2.14 * 3 ** 2
Explanation:
No clue what language you use but this should be pretty universal. To find the area of a circle you use pi(r) ^ 2 or pi times radius squared

In python it looks like this:
>>> area = 3.14 * 3 ** 2
>>> print(area)
28.26<em> <Printed text</em>
False electrons put off a negative charge
Answer:
50% - one half life — 5,730 years
25% — two half lifes — 11,460 years
12.5% — three half lifes — 17,190 years
6.25% — four half lifes — 22,920 years
3.125% — five half lifes — 28,650 years
Explanation:
Answer:
Call tracking system
Explanation:
It helps to measure total amount of visitors per month and based on the volume of visitors, it calculates how many phone numbers should be displayed to show a different number for each clique.