China has a population of approximately 1,322,000,000 people. Express this number in scientific notation.(1 point)

Responses

1.322×108
1 point 3 2 2 times 10 to the 8th power

1.322×106
1 point 3 2 2 times 10 to the 6th power

1.322×10−6
1 point 3 2 2 times 10 to the negative 6 power

1.322×109
1 point 3 2 2 times 10 to the 9th power

1.322×10−9

1 answer

To express the population of China, which is approximately 1,322,000,000 people, in scientific notation, you would convert it to the form \( a \times 10^n \), where \( 1 \leq a < 10 \) and \( n \) is an integer.

1,322,000,000 can be rewritten as:

  • Move the decimal point 9 places to the left (since there are 9 digits to the left of the first non-zero digit, which is 1), so it becomes 1.322.

Thus, in scientific notation, it is:

\[ 1.322 \times 10^9 \]

So the correct response is:

1.322×10^9 (1 point 3 2 2 times 10 to the 9th power)