Question

1 + (3)(9)

Step 1: 11 + (9)(3)

Step 2: (11 + 9)(3)

Step 3: 20(3)

Step 4: 60

Analyze the work to find the error.

Answer 1

The person went wrong on step 2

Should be

11 + (9)(3)= x

11 + 27= x

x = 38

Answer 2

In Step 2, the associative property cannot regroup addition and multiplication.

Explanation:

It told me