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PEMDAS Rule

The rule that requires multiplication to be done prior to addition

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Jan 11, 2026
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How to use order of operations to compute 143 + 305*70 step by step?

The expression 143 + 305*70 is evaluated by applying standard order-of-operations rules that require multiplication before addition, so the product 305 × 70 is computed first and then added to 143, yi...

Jan 9, 2026
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How to evaluate 143 + 305 * 70 step by step with intermediate results?

The expression 143 + 305 * 70 should be evaluated by performing the multiplication before the addition, because standard order-of-operations rules (PEMDAS: Parentheses, Exponents, Multiplication/Divis...