reedited the answers

Author: Mona-Eltantawy

Sprint-2/1-key-errors/1.js

@@ -17,7 +17,7 @@ console.log(decimalNumber);
 
 // =============> write your explanation here 
 when the program run it give a SyntaxError: Identifier 'decimalNumber' has already been declared. This is because the variable decimalNumber is declared twice in the function
-convertToPercentage, and inside the function with the constant varible CSSStyleDeclaration. also using the function name decimalNumber with the console.log function will give an error because the function name should be
+convertToPercentage, and inside the function with the constant varible it redeclared again also using the function name decimalNumber with the console.log function will give an error because the function name should be
 to fix this error we can remove the const variable declaration of decimalNumber from the function and use the function name
   'ConvertToPercentage' to recall the function and pass the value of the decimalNumber.CSSStyleDeclaration
 

Sprint-2/1-key-errors/2.js

@@ -4,18 +4,18 @@
 // this function should square any number but instead we're going to get an error
 
 // =============> write your prediction of the error here
-//  the error will occur because the paramater of the function is not a valid variable name as it is a number. 
-// also the variable num is not declared in the function and this will give an error when the program run because the function will not know what the value of the num is.
+ the error will occur because the paramater of the function is not a valid variable name as it is a number. 
+also the variable num is not declared in the function and this will give an error when the program run because the function will not know what the value of the num is.
 
 function square(3) {
     return num * num;
 }
 
 // =============> write the error message here 
-// function square(3) {
-//                 ^
+function square(3) {
+                ^
 
-// SyntaxError: Unexpected number
+SyntaxError: Unexpected number
 
 // =============> explain this error message here it means that the paramater of the function is an unexpected number (3) and this is not a valid variable number. 
 I deleted the paramater of the function and run the programe and I get this error:

Sprint-2/2-mandatory-debug/0.js

@@ -1,7 +1,7 @@
 // Predict and explain first...
 
 // =============> write your prediction here
-// I prediact that the error will occur because the function multiply does not return any value and this will make the console.log function to print undefined instead. 
+I prediact that the error will occur because the function multiply does not return any value and this will make the console.log function to print undefined instead. 
 
 
 function multiply(a, b) {
@@ -11,15 +11,15 @@ function multiply(a, b) {
 console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);
 
 // =============> write your explanation here
-// when the program run it give this output:
+when the program run it give this output:
 
-// 320
-// The result of multiplying 10 and 32 is undefined
+320
+The result of multiplying 10 and 32 is undefined
 
-// 320: the out put for the console.log inside the function 
+320: the out put for the console.log inside the function 
 
-// while the ouout the out put for the console.log function out of the function returned the string provided in the function and an undefiened because the function multibly doesn't return any value. 
-// to fix this error we need to change the console.log function inside the function to return. 
+while the ouout the out put for the console.log function out of the function returned the string provided in the function and an undefiened because the function multibly doesn't return any value. 
+to fix this error we need to change the console.log function inside the multiply function to return. 
 
 
 // Finally, correct the code to fix the problem