Question

The Interplanet Space Centre is planning to launch a probe which will travel from Earth to Mars, on to Jupiter and then to Saturn. Distance from Earth to Mars 78 300 000 km Distance from Mars to Jupiter 550 400 000 km Distance from Jupiter to Saturn 648 700 000 km million km

Estimate to the nearest million how far it will travel on its journey.

Answer 1

1,300,000,000

Explanation:

78 300 000

550 400 000

648 700 000

1 277 400 000

To the nearest million

1,2 | 77 400 000 more than 4, so +1

1,300,000,000