by rounding to one significant figure estimate the answer
to the question image below
![by rounding to one significant figure estimate the answer to the question image below class=](https://us-static.z-dn.net/files/d80/a0585cabbc5fc0917f9590cfe07f4f67.png)
Answer:
2.5
Step-by-step explanation:
you need to round all of the numbers to 1 sign fig to get 800/8X40