Final-examination-Practices

What is 0.0075213 in scientific notation?

• 7.5213 x 10³

• 7.5213 x 10^-3

• 7.5213 x 10⁸

• 7.5213 x 10^-8

What is the results of: 3 ^-2 x 3²?

• 3⁴

• 3^-4

• 3

• 1

What is the results of:

 $\frac{2^2}{2^4}$  ?

•  $\frac{1}{2^2}$  

•  $2^0$  

• 1

•  $2^2$  

From a fraction below which one is called “Denominator”?

 $\frac{1}{2}$  

• 1

• 2

• 0

• 0.5

From a fraction below which one is called "Numerator”?

 $\frac{3}{4}$  

• 3

• 4

• 0

• 0.75

Find Lowest Common Denominator (LCD) of 

 $\frac{3}{4},\ \frac{1}{2},\ \frac{4}{5}$  

• 2

• 20

• 200

• 40

Use >, <, or = to compare these fractions

 $\frac{3}{4}□\ \frac{5}{6}$  

• >

• <

• =

• None of them

Use >, <, or = to compare these fractions

 $\frac{3}{10}□\ \frac{1}{4}$  

• >

• <

• =

• None of them

Please simplified  

 $1\ \frac{1}{4}$  

•  $\frac{6}{4}$  

•  $\frac{5}{4}$  

•  $\frac{2}{3}$  

•  $\frac{7}{4}$  

Find the sum of 

 $2\frac{1}{3}\ +\frac{3}{15}$  

•  $2\frac{8}{15}$  

•  $2\frac{9}{15}$  

•  $2\frac{6}{15}$  

•  $2\frac{7}{15}$