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100

2.934 x 102

yes

100

0.0029

2.9 x 10-3

100

9.67 x 105

967000

100

6.1 x 10- 5.8 x 103

3 x 102

100


The mass of a blue whale is about 1.9 ∙ 105 kilograms. The mass of a whale shark is about 2.6 ∙ 104 kilograms. What is the approximate sum of the masses of a blue whale and a whale shark? Write your answer in scientific notation.


2.16 x 105

200

0.323 x 105

no

200

5587

5.587 x 103

200

3.3 x 10-3

0.0033

200

2.36 x 10-3 + 6.32 x 10-1

6.3436 x 10-1

200


The length of a square warehouse is 1.5 ∙ 103 meters and the width is also 1.5 ∙ 103 meters. Find the area of the warehouse. Write your answer in scientific notation. (Reminder: Area = length x width)


2.25 x 106

300

2.3 x 58

no

300

35.49

3.549 x 101

300

7.0 x 10x 1.1 x 104

7.7 x 1010

400

(6.4 x 108) / (8.0 x 105)

8 x 102