IDNLearn.com makes it easy to find accurate answers to your specific questions. Ask anything and receive well-informed answers from our community of experienced professionals.
9514 1404 393
Answer:
100
Step-by-step explanation:
The ratio of the numbers for the two years is ...
(10^12)/(10^10) = 10^(12-10) = 10^2 = 100
In 2010 there were 100 times as many text messages as in 2005.