contestada

in 2005 8.1 x 10^10 text messages were sent in the united states. in 2010, the number of annual text messages has risen to 1,810,000,000,000. about how many times as great was the number of text messages in 2010 than 2005?

Respuesta :

22.345679 times greater.

10^10 = 10 zeros. 10,000,000,000.

10 billion * 8.1 = 81 billion.

1.18 trillion / 81 billion = 22.345679