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masya89 [10]
3 years ago
9

The diameter of the Sun is about 1.4 × 10^6 km. The diameter of Mars is about 7000 km.

Mathematics
2 answers:
Vladimir79 [104]3 years ago
6 0
The answer should be C
Liula [17]3 years ago
4 0

Answer:

 C.)  2×10²

Step-by-step explanation:

(Sun dia) / (Mars dia) = (1.4 x 10⁶ km) / (0.7 × 10⁴ km) = (1.4/0.7) × 10²

The ratio of diameters is about 2 × 10².

_____

The applicable rule of exponents is ...

 (a^b)/(a^c) = a^(b-c)

__

The diameter of Mars can be expressed several ways.

 7000 = 7×1000 = 0.7×10,000 = 0.7×10⁴

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