diff --git a/education/software development/ECE1400/Chapter 7 Exercises.md b/education/software development/ECE1400/Chapter 7 Exercises.md
index f184693..4e1248b 100644
--- a/education/software development/ECE1400/Chapter 7 Exercises.md	
+++ b/education/software development/ECE1400/Chapter 7 Exercises.md	
@@ -33,4 +33,9 @@ B. Days in a year: `short`
 C. Minutes in a day: `short`
 D. Seconds in a day: `long`
 
-> 10. Suppose that `i` is a variable of type `int`, `j` is a variable of type `float`, and `k` is a variable of type `unsigned int`. What is the type of the expression `i + (int) j * k`?
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+> 10. Suppose that `i` is a variable of type `int`, `j` is a variable of type `float`, and `k` is a variable of type `unsigned int`. What is the type of the expression `i + (int) j * k`?
+
+Answer:
+`unsigned int`
+
+> 15. 
\ No newline at end of file