Question

Kristina’s work to simplify the expression 12 ÷ 3 + (7 – 5) + 32 • 6 is shown below. Did Kristina make a mistake? If so:

Part 1: Explain where she made her mistake.

Part 2: Simplify the expression correctly to tell what her answer should have been.

Expression: 12 ÷ 3 + (7 – 5) + 3^2 • 6

Step 1: 12 ÷ 3 + 2 + 3^2 • 6

Step 2: 12 ÷ 3 + 2 + 9 • 6

Step 3: 12 ÷ 3 + 11 • 6

Step 4: 4 + 11 • 6

Step 5: 4 + 66

Answer: 70

Answer 1

where do you think her mistake is??

Answer 2

Use PEMDAS
parenthases exponents multipication divition addition subtraction.
Did she use this?
Did she do the steps correctly

Answer 3

Step three?

Answer 4

yes correct. Good Job!.

Answer 5

thanks

Answer 6

your welcome