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Questions in Grade Middle-school

[Free] Convert 2300 meters into kilometers.

[Free] The Declaration of Independence described the

[Free] Why isn't cellular energy required for the passenger molecule to be carried across the cell membrane by the carrier molecule?

[Free] Why do passenger molecules need assistance from carrier molecules? (Note: A carrier molecule is a molecule in a cell that helps a normal molecule, known as a passenger molecule, enter the cell.)

[Free] A company has a monthly profit of $6,400. The next month, they have a loss of $4,700. What expression would you use to find the difference in profit between the two months? Possible choices are: A. -4,700 - 6,700 B. 4,700 - 6,700 C. 6,400 - (-4,700) D. 6,400 - 4,700

[Free] 400 is 1 tenth of what number?

[Free] How do I find [tex]40 \times 50[/tex] using mental math? Please explain.

[Free] 300 is 10 times as much as what? Solve for the unknown value.

[Free] How many thousands are in 32,900?

[Free] What is it called to find an approximate value for a number?