a skyscraper has a mass of 2.2x10^5 tons. another skyscraper in the same town has a mass of 3.7x10^5 tons what is the combined mass in tons of tow skyscraper

Question

?use scientific notation to express your answer to 1 decimal place.

Answer 1

To find the combined mass of the two skyscrapers, you simply add their masses together:

\[ (2.2 \times 10^5 \text{ tons}) + (3.7 \times 10^5 \text{ tons}) \]

First, we can add the coefficients:

\[ 2.2 + 3.7 = 5.9 \]

Now, since both values are in \(10^5\), we can write:

\[ 5.9 \times 10^5 \text{ tons} \]

Therefore, the combined mass of the two skyscrapers in scientific notation, expressed to one decimal place, is:

\[ \boxed{5.9 \times 10^5} \text{ tons} \]