Pollux Quiz 2

 $\frac{3}{5}\times\frac{4}{5}=$ 

•  $\frac{12}{25}$  

•  $\frac{7}{25}$  

•  $\frac{12}{5}$  

•  $\frac{7}{5}$ 

 $Which\ number\ is\ equivalent\ to\ 4^4\div4^2?$  

Answer in simplest form.

• 16

• 32

• 56

• 12

 $8\div2\ \left(3+1.5\right)\ =\$  

•  $\frac{8}{9}$ 

• 18

•  $\frac{18}{9}$ 

•  $\frac{9}{8}$  

 $Simplify:\ \frac{450}{850}$  

•  $\frac{8}{17}$ 

•  $\frac{7}{17}$  

•  $\frac{9}{17}$  

•  $\frac{10}{17}$  

 $\frac{\left(3\ \times3\right)}{\left(3\times3\right)}+\ \left(3\times3\right)\ =$  

• 10

• 11

• 9

• 0

 $\left[\frac{\left(23\times2\ +0\times10\right)}{2}\right]\times0\times23+10\ =$  

• 23

• 10

• 0

• 11

 $1\div\frac{3}{8}+\frac{1}{12}=$  

•  $2\ \frac{7}{12}$  

•  $1\ \frac{13}{24}$ 

•  $2\ \frac{11}{24}$  

•  $2\ \frac{3}{4}$  

 $Simplify$  

 $\frac{\left(7^{-4\ }x^8y^{-6}\right)}{7^{-5}x^{-10}y^{-20}}=$  

•  $\frac{\left(7^5x^{18}y^{20}\right)}{7^4y^6}$  

•  $7x^{18}y^{14}$  

•  $49x^{12}y^7$  

•  $\frac{\left(7^3x^{12}y^{20}\right)}{7^4y^6}$ 

Ramil chose a number, multiplied it by 2, then subtracted 138 from the result and got 102. What was the number he chose?

• 110
• 120
• 210
• 220

 $\frac{12}{6}-\frac{6}{12}=$  

•  $\frac{1}{2}$  

•  $\frac{1}{6}$  

•  $1\ \frac{1}{2}$  

•  $\frac{1}{12}$