Question

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➙ The Distance between earth and Mars is $\bf{2.2253}\times{10}^{8}$ kms . The distance between mars and Saturn is $\bf{1.19666}\times{10}^{9}$ kms . A spaceship starts from earth travels to Saturn via mars. Find the total distance covered by the spaceship in meters .

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Answer 1

Answer:

2.22+11.966)*10^8

=14.18×10^8

Answer 2

★ Given:

The distance between Earth and Mars = 2.2253 x 10⁸ km

The distance between Mars and Saturn = 1.19666 x 10⁹ km

A spaceship is travelling from Earth to Saturn via Mars.

★ To Find:

The total distance covered by the spacecraft in meters.

★ Solution:

The distance between Earth and Mars = 2.2253 x 10⁸ km

The distance between Mars and Saturn = 1.19666 x 10⁹ km

The total distance covered by the spacecraft  

= The distance between Earth and Mars + The distance between Mars and Saturn.

= 2.2253 x 10⁸ km + 1.19666 x 10⁹ km

→ Taking 10⁸ as common in both the numbers,

→ Here we have to take 1.19666 x 10⁹ km as 11.9666 x 10⁸ to add the numbers properly,

= 10⁸ (2.2253 + 11.9666)

= 10⁸ x 14.1919 km

This is equal to:

10⁵ x 14191.9 m

Hence the required answer is 10⁵ x 14191.9 m.