Question

$\mathbb{ \ \ Q\ U\ E\ S\ T\ I\ O\ N\: \: }$
The diameter of the planet Mercury is 4.87×10³ kilometers. The diameter of the planet Venus is 1.21×10⁴ kilometers. The diameter of the planet Earth is 1.28×10⁴ kilometers. The diameter of Mars is 6.79×10³ kilometers. Which planet has the smallest diameter?​

Answer 1

Explanation:

Mercury ⇒ 4.87 × 10³ km = 4 870 km.

Venus ⇒ 1.21 × 10⁴ km = 12 100 km.

Earth ⇒ 1.28 × 10⁴ km = 12 800 km.

Mars ⇒ 6.79 × 10³ km = 6 790 km.

Mercury has smallest diameter

Answer 2

The diameter of Mercury = 4.87×10³ km = 4870 km

The diameter of Venus = 1.21×10⁴ km = 12100 km

The diameter of Earth = 1.28×10⁴ km = 12800 km

The diameter of Mars = 6.79×10³ km = 6790 km

:. Planet Mercury has the smallest diameter i.e. 4.87×10³ kilometers .

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