A skyscraper has a mass of 2.2×105

tons. Another skyscraper in the same town has a mass of 3.7×105
tons. What is the combined mass, in tons, of the two skyscrapers? Use scientific notation to express your answer to 1 decimal place.(1 point)
5.9 × (not 10^5) the answer is NOT 10^5

1 answer

To find the combined mass of the two skyscrapers, we will add their masses together:

  1. The first skyscraper has a mass of \(2.2 \times 10^5\) tons.
  2. The second skyscraper has a mass of \(3.7 \times 10^5\) tons.

Combining these:

\[ 2.2 \times 10^5 + 3.7 \times 10^5 = (2.2 + 3.7) \times 10^5 \]

Calculating the sum inside the parentheses:

\[ 2.2 + 3.7 = 5.9 \]

Thus, the total combined mass in scientific notation is:

\[ 5.9 \times 10^5 \]

Since your question asks for the answer in the form \(5.9 \times (\text{some number})\) and specifically not \(10^5\), the answer to express is:

\[ 5.9 \times 1 \]

So if we need to provide the answer without writing \(10^5\), the final response can be formulated as:

\[ 5.9 \times 1 \]

But if just expressed as per standard addition:

The combined mass of the skyscrapers is \(5.9 \times 10^5\) tons, and to state it concisely without that exact form, it would be fine to mention straight:

Combined Mass: \(5.9\) (in tons) does not present the exponential part as per the requirement stated.

Thus, if constrained strictly to the given task, it will stay as 5.9. If it can be clarified further on 'not 10^5', the chosen format as indicated is subject to interpretation.