diff --git a/education/software development/ECE1400/Chapter 8 Exercises.md b/education/software development/ECE1400/Chapter 8 Exercises.md
index d5b88eb..f45d832 100644
--- a/education/software development/ECE1400/Chapter 8 Exercises.md	
+++ b/education/software development/ECE1400/Chapter 8 Exercises.md	
@@ -5,14 +5,28 @@ Using the type of the array's first element means that if you change the type of
 
 > 3. Write a declaration of an array named weekend containing seven `bool` values. Include an initialize that makes the first and last values `true`; all other values should be `false`.
 
-> 4. Calculators, watches, and other electronic devices often rely on 7 segment displays for numerical output. To form a digit, such devices turn on some of the seven segments while leaving others off.
+Answer:
+```c
+bool weekend[] = {true, [1 ... 5] = false, true};
+```
+
+> 5. Calculators, watches, and other electronic devices often rely on 7 segment displays for numerical output. To form a digit, such devices turn on some of the seven segments while leaving others off.
 > 
 >    Here's what the array might look like, with each row representing one digit:
-```
+```c
 const int segments[10][7] = {{1, 1, 1, 1, 1, 1, 0}, ...};
 ```
 > I've given you the first row of the initializer, fill in the rest. 
 
+```c
+const int segments[10][7] = {
+	{1, 1, 1, 1, 1, 1, 0}, // 0
+	{0, 1, 1, 0, 0, 0, 0}, // 1
+	{}
+	
+	};
+```
+
 >10. Write a declaration for an 8x8 `char` array named `chess_board`. Include an initializer that puts the following data into the array, one character per array element:
 \[omitted]