Question
What is the best way to estimate 145.43 ÷ 21.1?(1 point) Responses 140 ÷ 20 140 ÷ 20 150 ÷ 20 150 ÷ 20 130 ÷ 20
Answers
GPT-4o mini
To estimate 145.43 ÷ 21.1, you want to round the numbers to make the division simpler.
Both 145.43 and 21.1 can be rounded:
- **145.43** can be rounded to **150**.
- **21.1** can be rounded to **20**.
So the estimated division would be:
\[ 150 ÷ 20 \]
Therefore, the best choice from your options is:
**150 ÷ 20**.
Both 145.43 and 21.1 can be rounded:
- **145.43** can be rounded to **150**.
- **21.1** can be rounded to **20**.
So the estimated division would be:
\[ 150 ÷ 20 \]
Therefore, the best choice from your options is:
**150 ÷ 20**.