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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...
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...
1% of 345,000,000 equals 3,450,000 — found by converting 1% to its decimal (0.01) and multiplying by 345 million (0.01 × 345,000,000 = 3,450,000) . Common percentage calculators and how‑to guides expl...