Pregunta
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Calculate 6.1 6x 3- 1000 \( 6.3(16+21) \times 100 \) \( 6.553 \times 20 \div 1000 \) Which is smaller. \( \frac{3}{5} \) OR \( \frac{7}{35} \) Simphily, without the use of a calculithor: \( 8.1 \frac{5}{8}+\frac{2}{4} \) \( 33 \quad 2 \frac{1}{5}-\frac{3}{5} \) 8. \( \frac{2}{7} \times \frac{3}{5} \) \( 14+\frac{2}{5} \div \frac{1}{4} \)

Ask by Li Garrett. in South Africa
Jan 23,2025

Solución de tutoría real

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-890.2, 23,310, 0.13106, \( \frac{7}{35} \) is smaller, \(9 \frac{1}{8}\), \(34 \frac{3}{5}\), \( \frac{6}{35} \), \(15 \frac{3}{5}\).

Solución

Certainly! Let's go through each of your calculations step by step. --- ### 1. \( 6.1 \times 6 \times 3 - 1000 \) **Step-by-Step Calculation:** 1. **Multiply 6.1 by 6:** \[ 6.1 \times 6 = 36.6 \] 2. **Multiply the result by 3:** \[ 36.6 \times 3 = 109.8 \] 3. **Subtract 1000:** \[ 109.8 - 1000 = -890.2 \] **Final Answer:** \(-890.2\) --- ### 2. \( 6.3(16 + 21) \times 100 \) **Step-by-Step Calculation:** 1. **Add inside the parentheses:** \[ 16 + 21 = 37 \] 2. **Multiply by 6.3:** \[ 6.3 \times 37 = 233.1 \] 3. **Multiply by 100:** \[ 233.1 \times 100 = 23,310 \] **Final Answer:** \(23,310\) --- ### 3. \( 6.553 \times 20 \div 1000 \) **Step-by-Step Calculation:** 1. **Multiply 6.553 by 20:** \[ 6.553 \times 20 = 131.06 \] 2. **Divide by 1000:** \[ 131.06 \div 1000 = 0.13106 \] **Final Answer:** \(0.13106\) --- ### 4. Which is Smaller: \( \frac{3}{5} \) or \( \frac{7}{35} \) **Step-by-Step Comparison:** 1. **Simplify \( \frac{7}{35} \):** \[ \frac{7}{35} = \frac{1}{5} \] 2. **Compare the two fractions:** \[ \frac{3}{5} \quad \text{vs} \quad \frac{1}{5} \] \(\frac{1}{5}\) is smaller than \(\frac{3}{5}\). **Final Answer:** \( \frac{7}{35} \) (which simplifies to \( \frac{1}{5} \)) is smaller. --- ### 5. \( 8 \frac{5}{8} + \frac{2}{4} \) **Step-by-Step Calculation:** 1. **Simplify \( \frac{2}{4} \):** \[ \frac{2}{4} = \frac{1}{2} \] 2. **Convert mixed numbers to fractions:** \[ 8 \frac{5}{8} = 8 + \frac{5}{8} = \frac{69}{8} \] 3. **Add the fractions:** \[ \frac{69}{8} + \frac{1}{2} = \frac{69}{8} + \frac{4}{8} = \frac{73}{8} = 9 \frac{1}{8} \] **Final Answer:** \(9 \frac{1}{8}\) --- ### 6. \( 33 + 2 \frac{1}{5} - \frac{3}{5} \) **Step-by-Step Calculation:** 1. **Convert mixed number to improper fraction:** \[ 2 \frac{1}{5} = \frac{11}{5} \] 2. **Subtract the fractions:** \[ \frac{11}{5} - \frac{3}{5} = \frac{8}{5} = 1 \frac{3}{5} \] 3. **Add to 33:** \[ 33 + 1 \frac{3}{5} = 34 \frac{3}{5} \] **Final Answer:** \(34 \frac{3}{5}\) --- ### 7. \( \frac{2}{7} \times \frac{3}{5} \) **Step-by-Step Calculation:** 1. **Multiply the numerators and denominators:** \[ \frac{2 \times 3}{7 \times 5} = \frac{6}{35} \] **Final Answer:** \( \frac{6}{35} \) --- ### 8. \( 14 + \frac{2}{5} \div \frac{1}{4} \) **Step-by-Step Calculation:** 1. **Divide the fractions:** \[ \frac{2}{5} \div \frac{1}{4} = \frac{2}{5} \times \frac{4}{1} = \frac{8}{5} = 1 \frac{3}{5} \] 2. **Add to 14:** \[ 14 + 1 \frac{3}{5} = 15 \frac{3}{5} \] **Final Answer:** \(15 \frac{3}{5}\) --- Feel free to ask if you have any more questions or need further clarification on any of these problems!

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Extra Insights

To solve these calculations step by step: 1. For \( 6.1 \times 6 \times 3 - 1000 \): \( 6.1 \times 6 = 36.6 \) \( 36.6 \times 3 = 109.8 \) \( 109.8 - 1000 = -890.2 \) 2. For \( 6.3(16 + 21) \times 100 \): \( 16 + 21 = 37 \) \( 6.3 \times 37 = 233.1 \) \( 233.1 \times 100 = 23310 \) 3. For \( 6.553 \times 20 \div 1000 \): \( 6.553 \times 20 = 131.06 \) \( 131.06 \div 1000 = 0.13106 \) 4. Comparing \( \frac{3}{5} \) and \( \frac{7}{35} \): Simplifying \( \frac{7}{35} \) gives \( \frac{1}{5} \). Since \( \frac{3}{5} > \frac{1}{5} \), \( \frac{7}{35} \) is smaller. 5. For \( 8.1 \frac{5}{8} + \frac{2}{4} \): Convert \( 8.1 \) to a fraction: \( 8.1 = 8 + \frac{1}{10} = \frac{81}{10} \). \( 8.1 \frac{5}{8} = 8 + \frac{5}{8} \) which gives \( \frac{64}{8} + \frac{5}{8} = \frac{69}{8} \). \( \frac{2}{4} = \frac{1}{2} = \frac{4}{8} \). Hence, \( \frac{69}{8} + \frac{4}{8} = \frac{73}{8} = 9.125 \). 6. For \( 33 \quad 2 \frac{1}{5} - \frac{3}{5} \): Converting \( 33 \) to a fraction, \( 2 \frac{1}{5} = 2 + \frac{1}{5} = \frac{11}{5} \). So, \( 33 \frac{11}{5} - \frac{3}{5} = 33 + \frac{11}{5} - \frac{3}{5} = 33 + \frac{8}{5} \). This is \( 33 + 1.6 = 34.6 \). 7. For \( \frac{2}{7} \times \frac{3}{5} \): Multiply \( \frac{2 \times 3}{7 \times 5} = \frac{6}{35} \). 8. For \( 14 + \frac{2}{5} \div \frac{1}{4} \): \( \frac{2}{5} \div \frac{1}{4} = \frac{2}{5} \times 4 = \frac{8}{5} \). So, \( 14 + \frac{8}{5} = 14 + 1.6 = 15.6 \). Now you have your results for each expression! If you need further insights on how to use these in real life or tips to avoid mistakes during calculations, feel free to ask!

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