Answer:

Explanation:
Given
Power at point A = 100W
Power at point B = 90W
Required
Determine the attenuation in decibels
Attenuation is calculated using the following formula

Where
t and
t


Substitute these values in the given formula




<em>(Approximated)</em>
A 2d array (i.e. 2 dimensional array) represents its elements in rows and columns
<h3>The program in Java</h3>
The method in Java, where comments are used to explain each line is as follows
//This defines the method
public static int diagSum(int[][] myArray) {
//This initializes sum to 0
int sum = 0;
//This iterates through each row of the array
for (int i = 0; i < myArray.length; i++) {
//This calculates the sum of the diagonals
sum+=myArray[i][i];
}
//This returns the sum
return sum;
}
Read more about methods at:
brainly.com/question/15969952
Answer:
England began expanding its border with exploration in the late 16th century.
Explanation:
During the age of discovery, which is a period of exploracion protracted from 15th century to 16th century, different overseas travels were carried out in order to explore and that resulted in the appropiation of other lands. England, France, and the Netherlands began to establish colonies and trade networks of their own in the Americas and Asia.
Answer:
D. project management software