Avoid using a calculator and use your brain instead. Avoid using a calculator and use your brain instead. This universal guide guarantees accurate calculations.Step-by-step instructions for solving the expressionRespect the order of operationsNo parentheses or exponents here, so let’s start with multiplication.10 × 0 = 0The expression becomes:50 + 0 + 7 + 2 Pages: 1 2 ADVERTISEMENT