CSEC COMPUTATION

In standard form 0.0357 is written as

• 3.57 x 10^-4

• 3.57 x 10^-3

• 3.57 x 10^-2

• 3.57 x 10^-1

Express 0.15 as a fraction in its lowest terms.

• 
  $\frac{1}{8}$

• $\frac{3}{5}$

• $\frac{2}{7}$

• $\frac{3}{20}$

608 skittles are shared in the ratio 3:5. the larger share of Skittles is

• 76

• 121

• 203

• 380

Tags

CCSS.6.RP.A.3B

If 325 x 74.81 = 24313.25, then 3.25 x 0.7481 =

• 2.431325

• 24.31325

• 243.1325

• 2431.325

12 $\frac{1}{2}$  % of a sum of money is $60.  What is the sum of money?

• $7.50

• $20.83

• $72.50

• $480.00

There are 40 students in a class. Boys make up 40% of the class. If 25% of the boys wear shirt jacs, how many boys wear shirt jacs?

• 4

• 10

• 16

• 30

 $\left(\frac{3}{5}\right)^2$  is equal to

•  $\frac{6}{10}$  

•  $\frac{6}{5}$  

•  $\frac{3}{10}$  

•  $\frac{9}{25}$  

What percentage of 280 is 700?

• 40%

• 250%

• 420%

• 980%

The value of 79.94 x 0.5 is approximately

• 0.4

• 4.0

• 40

• 400

In a school, the ratio of the number of students to the number of teachers is 25:1. If there are 800 students in the school how many teachers are there?

• 24

• 26

• 28

• 32