вторник, 8 ноября 2016 г.

Test 2. Exponentiation

Before proceeding to the solution of examples and problems be sure to read the theoretical part of the lesson 

Exponentiation

 1. Copy and complete the following

75 means

 а)  7 × 7 × 7 × 7× 7;                  
 b7 × 7 × 7 × 7;     
 c7 × 7 × 7 × 7 × 7 × 7 × 7;     
 d7 × 7 × 7.

 2. Copy and complete the following

37 means

 а7 × 7 × 7 × 7 × 7 × 7 × 7;
 b)  3 × 3 × 3 × 3 × 3 × 3 × 3;
 c3 × 3 × 3 × 3 × 3 × 3;
 d7 × 7 × 7.

 3. Copy and complete the following

86 means

 а8 × 8 × 8 × 8 × 8;
 b6 × 6 × 6 × 6 × 6 × 6 × 6 × 6;
 c6 × 6 × 6 × 6 × 6;
 d)  8 × 8 × 8 × 8 × 8 × 8.

 4. Copy and complete the following

28 means

 а8 × 8;
 b)  2 × 2 × 2 × 2 × 2 × 2 × 2 × 2;
 c2 × 2 × 2 × 2 × 2 × 2 × 2;
 d8 × 8 × 8 × 8 × 8 × 8 × 8 × 8.

 5. Write the following in index form

5 × 5 × 5  

 а)  55;      b)  35;     
 c)  33;      d)  53.

 6. Write the following in index form

3 × 3 × 3 × 3 × 3 × 3 × 3 × 3

 а)  83;      b)  37;     
 c)  38;      d)  33.

 7. Write the following in index form

10 × 10 × 10 × 10 × 10

 а)  1010;      b)  105;       
 c)  104;        d)  510.

 8. Write the following in index form

6 × 6 × 6 × 6

 а)  64;      b)  66;     
 c)  65;      d)  46.

 9. Work out

32 × 5.  

 а)  11;      b)  16;     
 c)  14;      d)  9.

10. Work out

23 × 3.

 а)  16;      b)  27;     
 c)  19;      d)  24.

11. Work out

24 × 3.

 а)  24;      b)  48;     
 c)  64;      d)  56.

12. Work out

62 × 2.

 а)  68;      b)  76;     
 c)  72;      d)  63.

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