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Questions in Grade Middle-school

[Answered] What is 500 divided by 6.7?

[Answered] Write 745,000 in scientific notation.

[Answered] What are the mass and volume of a cork? What are the mass and volume of iron? Please provide the calculations and work for each.

[Answered] What is the opposite of -100?

[Answered] What is the common factor of 49 and 50?

[Answered] Is 43 a two-digit odd number?

[Answered] What is 215 rounded to the nearest 10?

[Answered] 1. What is 7.445 rounded to the nearest tenth? 2. What is 7.999 rounded to the nearest tenth? 3. What is $5.68 rounded to the nearest one? 4. What is 10.49 rounded to the nearest one? 5. What is 2.499 rounded to the nearest hundredth? 6. What is 40.458 rounded to the nearest hundredth? 7. What is 5.4572 rounded to the nearest thousandth? 8. What is 45.0099 rounded to the nearest thousandth? 9. What is 9.56303 rounded to the nearest ten-thousandth? 10. What is 988.08055 rounded to the nearest ten-thousandth? 11. What is $87.09 rounded to the nearest ten? 12. What is 1,567.893 rounded to the nearest ten?

[Answered] Simplify by factoring: 28b + 8

[Answered] Simplify the expression: \[ \frac{8 - 11}{\sqrt{\frac{25}{121}}} \]