QUESTION 2: (9+2)*5

(a)  

QUESTION 3: 5*9+2

(a)  

QUESTION 4: 5*10-2x(15+10)

(a)  

QUESTION 5: A factory produces 250 washing machines every day, at an average cost of 208 euros per unit. What is the factory’s profit per unit if each washine machine is sold to a wholesaler for an amount of 328 euros?

(a)  

QUESTION 6: Express as an only power 8 ⁵   x  8 ²

(a)  

QUESTION 7: Express as an only power 8 ⁵   :  2 ⁵

(a)  

QUESTION 8: Express as an only power 8 ⁵   :  8 ²

(a)  

QUESTION 9: Express as an only power 8 ⁵   *  2 ⁵

(a)  

QUESTION 10: Express as an only power(8 ⁵ ) ⁶

(a)  

QUESTION 11: Express as an only power(8 ⁵ ) ⁴ : (8³*8²)²

(a)  

QUESTION 12: Express as an only power(8 ⁵ :8³ ) ⁴ *(8²)²

(a)  

QUESTION 13: Calculate         3 ⁴

(a)  

QUESTION 14: Calculate 28 ⁰

(a)  

QUESTION 15: Calculate 7¹

(a)