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The circumference of the earth is about 4 x 104 km while the moon is 1.1 x 104 km. About how
many is the difference of their circumference?
A. 5.4 x108 km
B. 5.4 x 104 km
C. 2.9 x104 km
D. 2.9 x10 km​


Sagot :

Problem:

The circumference of the earth is about 4 x 104 km while the moon is 1.1 x 104 km. About how many is the difference of their circumference?

A. 5.4 x108 km

B. 5.4 x 104 km

C. 2.9 x10^4 km

D. 2.9 x10 km​

Solution:

= 4 x 10^4 km - 1.1 x 10^4 km

= 2.9 x 10^4

Answer:

= 2.9 x 10^4

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