help me 1 hour help me 11

  1. Expand and evaluate the power. 

     

    28

1 points  

QUESTION 2

  1. Expand and evaluate the power. 

    (0.4)2

1 points  

QUESTION 3

  1. What are the first four terms in the multiplication pattern given by the formula: 2 • 4n?

1 points  

QUESTION 4

  1. What is the first term in the pattern with formula 20 Â· 5– 1?

1 points  

QUESTION 5

  1. What is the value of the expression? 

     

    200 – 42 + 9 • 10