W2. D1 Daily Math

The area of a square is 81cm². What is the length of one side?

• 3

• 9

• 27

• 8

Solve the equation. x² = 10

• $x=\pm\sqrt{10}$

• $x=\sqrt{10}$

• $x=\pm5$

• $x=5$

A cube shaped box has a volume of 64 in³. How many 1 in cubes can fit along one side of the box?

• 2 cubes

• 4 cubes

• 16 cubes

• 8 cubes

 $\frac{x^3}{x^2}$  

•  $x^6$  

•  $x^5$  

•  $x^{-1}$  

•  $x$  

Express this number in scientific notation.

0.000000591

• $5.91\ \times10^{-7}$

• $5.91\times10^{-6}$

• $5.91\times10^6$

• $5.91\times10^7$

Solve for x.

 $-4\left(x-26\right)=-200$  

• x=76

• x=24

• x=-76

• x=-24