Multiple Choice

The area of Greenland is 840,000 square miles. What is this number in scientific notation?
(1 point)
Responses

840 x 105
840 x 10 5

84 x 10–5
84 x 10 –5

8.4 x 105
8.4 x 10 5

8.4 x 10–5

8.4 x 10^5

What answer represents this number in scientific notation?

0.00000916
(1 point)
Responses

916 x 10–8
916 x 10 –8

9.16 x 10–6
9.16 x 10 –6

916 x 108
916 x 10 8

9.16 x 106

9.16 x 10^-6

What is this number in standard form?

5.75 x 109
(1 point)
Responses

5,750,000,000
5,750,000,000

575,000,000,000
575,000,000,000

0.00000000575
0.00000000575

0.575000000000
0.575000000000

5,750,000,000

What is this number in standard form?

6.8 x 10–4
(1 point)
Responses

68,000
68,000

680,000
680,000

0.000068
0.000068

0.00068

0.000068

In a recent year the world production of wheat was about 5.2 x 108 metric tons. What is this number in standard notation?

(1 point)
Responses

0.000000052
0.000000052

0.0000000052
0.0000000052

520,000,000
520,000,000

5,200,000,000

520,000,000

nope its 0.00068...bot added 1 extra 0