11 x 27

(a)  

4.3 x 10

(a)  

134 x 0.001

(a)  

1/4 x 36

(a)  

0.25  $\div$  0.001

(a)  

78 / 3

(a)  

54  $\div$  0.06

(a)  

2.7  $\div$  0.3

(a)  

3  $\div$  .1

(a)