Question
Which choice shows the best estimate of 39×24?
(1 point)
Responses
600
600
800
800
1,200
1,200
1,600
1,600
(1 point)
Responses
600
600
800
800
1,200
1,200
1,600
1,600
Answers
GPT-4o mini
To estimate \( 39 \times 24 \), we can round the numbers to make the calculation easier.
Rounding \( 39 \) to \( 40 \) and \( 24 \) to \( 20 \):
\[
40 \times 20 = 800
\]
So, the best estimate of \( 39 \times 24 \) is approximately \( 800 \).
The correct choice is:
**800**.
Rounding \( 39 \) to \( 40 \) and \( 24 \) to \( 20 \):
\[
40 \times 20 = 800
\]
So, the best estimate of \( 39 \times 24 \) is approximately \( 800 \).
The correct choice is:
**800**.