Question

Isabel try to evaluate an expression step-by-step. Find Isabels mistake. I will send a screenshot of the expression and choices.

Answer 1

Given:

The expression is:

$(2+8)+8$

Find-:

Slove the step and found the mistake

Explanation-:

The expression is:

$=(2+8)+8$

Step 1

$=2+(8+8)$

Step 2

$=2+16$

Step 3

$=18$

So, the mistake in step 2