A skyscraper has a mass of 2.2 × 10 tons. Another skyscraper in the same town has a made of 3.7 × 10 tons. What is the combined mass, in tons, of the two skyscrapers? Use scientific notation to express your answer to 1 decimal place.

Answer 1

To find the combined mass, we add the masses of the two skyscrapers together.

2.2 × 10 tons + 3.7 × 10 tons = 5.9 × 10 tons

Therefore, the combined mass of the two skyscrapers is 5.9 × 10 tons.