9 billion x 0.2 = 1.8 billion
30.6 billion.
forty-five billion
468 billion
90 billion trillion.
500% of 9 Billion would be: 9 Billion (100% of 9 Billion) + 9 Billion (200% of 9 Billion) + 9 Billion (300% of 9 Billion) + 9 Billion (400% of 9 Billion) + 9 Billion (500% of 9 Billion) = 45 Billion.
5.4 × 1022
9 times 10 to the power 6
7,000,000,000. Which is 7 billion.
500000000, using the british billion, 10^9 500000000000, using the American billion, 10^12
1.8 billion.
Depending on your definition of 'Billion' - simply add either 9 or 12 zeros to the end of the number !
one billion times larger