Answer:

1.3×9+7

USING PEMDAS YOU SHOULD FIRST DO 3×9

3×9=27 AND THEN LASTLY ADD THE 7

27+7=34

ANSWER=34

2.12+(36÷4)

USING PEMDAS YOU SHOULD FIRST DO THE EQUATION ON THE PARENTHESIS WHICH ARE 36÷4

36÷4=9 AND ADD 12

9+12=21

ANSWER=21

3.9÷3+4×6

USING PEMDAS YOU SHOULD FIRST DO THE MULTIPLICATION SO, 4×6=24 AND NEXT THE DIVISION SO 9÷3=3 AND JUST ADD 24 + 3 BECAUSE YOUBQILL LASTLY DO THE ADDITION SO 24+3=27

ANSWER=27

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