Answer: 7.755 × 10²
Step-by-step explanation:
To write in scientific notation we write the number as being between 1 and 10 which is then multiplied by a power of 10 so it is still equivalent.
775.5 / 100 = 7.755
[✓] 1 < 7.755 < 10
Checking our work.
[✓] 7.755 × 10² = 775.5
See more examples of scientific notation conversions here:
https://brainly.com/question/13091583
