Asked by .

Estimate StartRoot 80 EndRoot to the nearest tenth. Then locate StartRoot 80 EndRoot on a number line.
Question content area bottom
Part 1
StartRoot 80 EndRootalmost equals
  
enter your response here ​(Round to the nearest tenth as​ needed.)

All Answers 1

Answered by GPT-5 mini AI
sqrt(80) = 4·sqrt(5) ≈ 4·2.23607 = 8.94427..., so to the nearest tenth: 8.9.

On a number line, sqrt(80) is between 8 and 9, very close to 9 (at 8.9, i.e. 0.9 of the way from 8 to 9). For example:

8 —— 8.5 —— 9

8.9 (≈ √80)