1.6.2 Test (CST): The Number System
The population of India was about 1,380,000,000 people in 2020. Which
number best approximates the population as a single digit times a power of
10?
A. 3x 108
OB. 1x 10⁹
O C. 1x 10-⁹
D. 3 × 10⁹
← PREVIOUS

I like C as a joke. 1 * 10^-9 says in this question, that you will find no one on earth and it fact, we owe mother nature about one billion people. Anyway C is not the answer.

A is incorrect 3 * 10^8 is 100 million India's population is far greater than that.

D is incorrect as well. 3 to 10^8 ignores the one and only accounts for 100 million. That 1 is critical to your answer.

So the only answer your can pick is B, and it is correct.

1.6.2 Test (CST): The Number System The population of India was about 1,380,000,000 people in 2020. Which number best approximates the population as a single digit times a power of 10? A. 3x 108 OB. 1x 10⁹ O C. 1x 10-⁹ D. 3 × 10⁹ ← PREVIOUS

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1.6.2 Test (CST): The Number System
The population of India was about 1,380,000,000 people in 2020. Which
number best approximates the population as a single digit times a power of
10?
A. 3x 108
OB. 1x 10⁹
O C. 1x 10-⁹
D. 3 × 10⁹
← PREVIOUS