Question

which amount is represented by the prefix mega- (m)? *
billion 1,000,000,000
million 1,000,000
thousandth 0.001
millionth 0.000 001
other.

Explanation:

In the International System of Units (SI), the prefix "mega - (M)" represents a factor of $10^{6}$, which is equivalent to one million or 1,000,000.

Answer:

B. million 1,000,000