Question

Jin tried to evaluate 5 + 2 x 9 step-by-step.

5+2 x 9

Step 1: =7 x 9

Step 2: =63

Find jin’s mistake

A: step 1
B: step 2
C: Jin did not make a mistake

Answer 1

5 + 2 x 9

Step 1 = 7 x 9

Step 2 = 63

Explanation:

= 5 + 2 x 9

= 5 + ( 2 x 9 )

= 5 + 18

= 23

Step 2 = 7 x 9

= 63

Step 3 = 63

C. jin did not make a mistake

Sorry i'm wrong :)