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9+15÷5×13=

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1 Answer

Follow the order of operations. 

Parentheses? none.

Exponents? none. 

Multiplication and Division? Do them left to right: 15÷5 = 3, 3×13 = 39

Addition and Subtraction? Do them left to right: 9 + 39 = 48

Answer is 48.

Comments

Memorize the acronym PEDMAS in order to remember this order of operations

1. Parentheses, 2. Exponents, 3. Division and Multiplication, 4. Addition and Subtraction