Lin says, “I took the number 8, and then multiplied it by the square of 3.” Select [b]all [/b]the expressions that equal Lin’s answer.
[math]8\cdot\left(\frac{1}{2}\right)^2[/math]
[math]\frac{1}{3}\cdot3^3[/math]
[math]\left(\frac{1}{5}\cdot5\right)^5[/math]
Andre says, “I multiplied 4 by 5, then cubed the result.” Select [b]all [/b]the expressions that equal Andre’s answer.
Find the total volume of Han’s cubes. Express your answer as an expression using an exponent.[br]
Find the total surface area of Han’s cubes. Express your answer as an expression using an exponent.[br]
Priya says that [math]\frac{1}{3}\cdot\frac{1}{3}\cdot\frac{1}{3}\cdot\frac{1}{3}=\frac{4}{3}[/math]. Do you agree with Priya? Explain or show your reasoning.[br]
125% of [math]e[/math] is 30. What is [math]e[/math]?
35% of [math]f[/math] is 14. What is [math]f[/math]?
Which expressions are solutions to the equation [math]2.4y=13.75[/math]? Select [b]all [/b]that apply.
[size=150]Jada explains how she finds [math]15\cdot23[/math]:[br][br]“I know that ten 23s is 230, so five 23s will be half of 230, which is 115.[br]15 is 10 plus 5, so [math]15\cdot23[/math] is 230 plus 115, which is 345.”[/size][br][br]Do you agree with Jada? Explain.