Question

use scientific notation quick check
in chemistry class, carlos calculated the number of molecules in 100 moles. the calculator displayed the number 6.02e25. what is the number of molecules in 100 moles in scientific notation? (1 point)
○ 25 × 10^6.02
○ 6.02 × 10^25
○ 6.02 + 10^25
○ 6.02 × 25

Explanation:

Step1: Understand scientific notation

Scientific notation is of the form $a\times10^{n}$, where $1\leq a<10$ and $n$ is an integer. The "E" in calculator - display represents "times 10 to the power of".

Step2: Convert the calculator - display

When the calculator shows 6.02E25, it means $6.02\times10^{25}$.

Answer:

B. $6.02\times 10^{25}$