Question
The current population of China is 1,244,130,000 people. Estimate the population using scientific notation.
Responses
A 1 x
1 x 10 -9
B 1 x
1 x 10 -8
C 1 x
1 x 10 8
D 1 x
1 x 10 9
E 1 x
1 x 10 10
Responses
A 1 x
1 x 10 -9
B 1 x
1 x 10 -8
C 1 x
1 x 10 8
D 1 x
1 x 10 9
E 1 x
1 x 10 10
Answers
GPT-4o mini
To express the population of China, which is 1,244,130,000, in scientific notation, we can rewrite it as follows:
1,244,130,000 can be expressed as:
\[ 1.24413 \times 10^{9} \]
In scientific notation, we round it to one significant figure for estimation, giving us:
\[ \approx 1 \times 10^{9} \]
So the correct choice from your options is:
**D**: 1 x 10^9
1,244,130,000 can be expressed as:
\[ 1.24413 \times 10^{9} \]
In scientific notation, we round it to one significant figure for estimation, giving us:
\[ \approx 1 \times 10^{9} \]
So the correct choice from your options is:
**D**: 1 x 10^9