Subjects algebra

Order Operations 007B01

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1. **Problem:** Evaluate $4 + 5^2 \times 7$. 2. **Order of operations:** Use PEMDAS (Parentheses, Exponents, Multiplication and Division from left to right, Addition and Subtraction from left to right). 3. Calculate the exponent first: $5^2 = 25$. 4. Multiply: $25 \times 7 = 175$. 5. Add: $4 + 175 = 179$. **Answer:** $179$. --- 1. **Problem:** Evaluate $4 \times 5^2 - 7$. 2. Calculate the exponent: $5^2 = 25$. 3. Multiply: $4 \times 25 = 100$. 4. Subtract: $100 - 7 = 93$. **Answer:** $93$. --- 1. **Problem:** Evaluate $(4 + 5^2) \times 7$. 2. Calculate the exponent inside parentheses: $5^2 = 25$. 3. Add inside parentheses: $4 + 25 = 29$. 4. Multiply: $29 \times 7 = 203$. **Answer:** $203$. --- 1. **Problem:** Evaluate $(4 + 5)^2 \times 7$. 2. Add inside parentheses: $4 + 5 = 9$. 3. Square the result: $9^2 = 81$. 4. Multiply: $81 \times 7 = 567$. **Answer:** $567$. --- 1. **Problem:** Evaluate $4 + (5^2 \times 7)$. 2. Calculate the exponent inside parentheses: $5^2 = 25$. 3. Multiply inside parentheses: $25 \times 7 = 175$. 4. Add: $4 + 175 = 179$. **Answer:** $179$.