Math Exercises - 4th March 2022

Evaluate the following using a calculator
 $\frac{0.2031}{\sqrt{17.95}+1.292}$  

giving your answer correct to 3 decimal places.

 $\left[-\frac{5}{24}-\left(-\frac{5}{9}\right)\right]\times\left[3\frac{3}{4}\div\frac{3}{8}\right]$  
giving your answer as decimal in 2 decimal places.

If $5600=2^x\times5^y\times7^z$ , find the value of z. 

Find angle m.

Find angle n.

9 students chose hamsters.

Work out the total number of students involved in the survey.

9 students chose hamsters.

Work out how many students chose cats as their favourite animal.

9 students chose hamsters.

Calculate the angle of the sector on the pie chart if 23 students chose fish.

The table shows the menu in a school canteen.

Muiz buys a cup of coffee and 2 slices of cake.

Work out how much he spends altogether.

Use the table to answer this question:

Siti buys a plate of seafood fried noodles, 6 pieces of sausages and 2 scoops of ice cream. Find how much change she receives from $10 note.