Express each standard form to scientific notation. Then, choose the correct answer.

(5)

11.) 34 000 a. 3.4 x 105

b. 3.4 x 104

c. 3.4 x 10-4

d. 3.4 x 10-5

12.) 0.009 003 a. 9.003 x 10-3

b. 9.3 x 10-3 c. 9.003 x 10-6

d. 9.003 x 103

13.) 702 000 000 a. 7.02 x 107

b. 7.2 x 108

c. 7.02 x 108

d. 70.2 x 107

14.) 0.000 710 3 a. 7.103 x 10-3

b. 71.03 x 10-4

c. 7.103 x 104

d. 7.103 x 10-4

15.) 8 000 000 a. 6 x 105

b. 8.0 x 107

c. 8.0 x 106

d. 8 x 10-6​