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Question 1
5.67 × 10 7   +   7.34 × 10 7   =   ?
A. 13.0 × 10 8B. 13.01 × 10 14
C. 1.301 × 10 8D. 1.301 × 10 7
Question 2
8.548 × 10 15   −   2.224 × 10 15   =   ?
A. 6.324 × 10 15B. 5.324 × 10 15
C. 6,324 × 10 14D. 6.024 × 10 0
Question 3
(4 × 10 4)    ×    (2 × 10 3)   =  ?
A. 8 × 10 7B. 6 × 10 7
C. 8 × 10 12D. 8 × 10 1
Question 4
(6 × 10 5)   ÷   (2 × 10 2)   =  ?
A. 8 × 10 5B. 3 × 10 10
C. 3 × 10 2.5D. 3 × 10 3
Question 5
2.55 × 10 7  +  50,000,000   =   ?
A. 7.55 × 10 7B. 3.05 × 10 7
C. 2.555 × 10 7D. 2.60 × 10 7
Question 6
2.55 × 10 7   −  10,000,000   =  ?
A. 2.551 × 10 7B. 1.55 × 10 7
C. 2.54 × 10 7D. 2.45 × 10 7
Question 7
(4 × 10 4)   ×   1,000   =   ?
A. 4 × 10 7B. 400 × 10 7
C. 4 × 10 8D. 4 × 10 6
Question 8
(8.4 × 10 8)   ÷   10,000   =   ?
A. 8.0 × 10 8B. 4.4 × 10 8
C. 8.4 × 10 4D. 8.4 × 10 2
Question 9
Weight of the Earth is 5.9736 × 10 24 Kg. Mass of the Venus is 4.8685 × 10 24 Kg. What is the combined weight of the Earth and Venus?
A. 10.8421 × 10 26 KgB. 10.8421 × 10 23 Kg
C. 1.08421 × 10 25 KgD. 10.8421 × 10 25 Kg
Question 10
Planet Venus is 1.08 × 10 8 Km away from the Sun and Planet Mercury is 5.79 × 10 7 Km from the Sun. How much farther away is the planet Venus from the Sun as compared to the planet Mercury?
A. 6.21 × 10 7 KmB. 5.01 × 10 8 Km
C. 5.10 × 10 7 KmD. 5.01 × 10 7 Km
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