Jillian simplified the expression 3+2⋅(14−9)2

Question

in the following way:

3+2⋅(14−9)2
3+2⋅(5)2
3+102
3+100
103
What was the error?

Responses

In line 3, Jillian should have simplified the exponent term 52
before multiplying 2 ⋅ 5
In line 3, Jillian should have simplified the exponent term 5 squaredbefore multiplying 2 ⋅ 5

There is no error, Jillian simplified correctly.
There is no error, Jillian simplified correctly.

Jillian incorrectly simplified by doing multiplication before addition.
Jillian incorrectly simplified by doing multiplication before addition.

Jillian should have added 3 + 2 in line 2 before doing (14−9)2
.

Answer 1

Jillian incorrectly simplified by doing multiplication before addition.