Question

Santiago simplified the expression shown below. He got an answer of –573 when he should have gotten an answer of 197. Where did Santiago go wrong?

Answer 1

22 + 7 [(15 - 6) + 4^2]

Answer 2

Step 1 22 + 7 [15 - 10^2]

Step 2 22 + 7 [15 - 100]

Step 3 22 + 63 + -85

Step 4 85 + -595

-573

Answer 3

22 + 7 [(15 - 6) + 4^2]
22 + 7 [9 + 4^2]
22 + 7 [9+16]
22 + 7 [25]
22+175
197

Answer 4

so which step

Answer 5

dan 815 is correct

Answer 6

which step

Answer 7

in 2nd step

Answer 8

no

Answer 9

think about it yourself